Marketing for Startups

A small business marketing budget that holds up

Q: What is the 70/20/10 rule for a marketing budget?

It is a way to split a marketing budget by risk: 70% to proven channels that already return more than they cost, 20% to promising channels worth scaling into, and 10% to experiments. Popularised by Google’s innovation model, it keeps you funding what works while still testing the future. It sets allocation, not the total amount.

Q: What is the cheapest marketing channel for a small business?

The cheapest high-leverage channel is usually email to a list you own, followed by SEO content and one organic social channel. All three trade time for reach and compound over months. They cost little in cash but real effort — which is exactly the trade an early-stage founder should be making. See our email marketing guide.

Q: What percentage of revenue should go to marketing?

A common planning range is 5–12% of revenue depending on stage and margin, with the SBA-attributed 7–8% figure often cited for small businesses. High-growth firms and thin-margin retailers sit at opposite ends. Treat any percentage as a starting hypothesis you adjust once you can see each channel’s actual return.

Not a vague 'spend what you can'. A repeatable framework: set the total from revenue, split it 70/20/10 by risk, assign every channel to a bucket, and rebalance monthly — with a channel cost-and-return table to guide the split.

See the channel cost table Back to marketing for startups

A small business marketing budget is best built in two moves: set the total as a percentage of revenue, then split it by risk — a common rule is 70% to proven channels, 20% to promising ones, and 10% to experiments. Assign every channel to a bucket, and rebalance monthly as the numbers come in.

Most "marketing budget" articles stop at a single percentage and move on. That is the least useful part. The hard question is not how much — it is how to divide it so you fund what works without starving the next thing that might.

This is the framework we would give a founder with limited cash and no patience for waste. Every figure that is a rule of thumb rather than a verified fact is flagged, and the sources are named at the end.

Step one

How much: set the total from revenue

Set your marketing total as a share of revenue, not a number you hope to spare. A benchmark widely attributed to the SBA is 7–8% of revenue for businesses under $5M; a common planning band is 5–12% depending on margin and growth ambition. Pre-revenue? Spend only what you can afford to lose.

Step two

The 70/20/10 rule, explained

The 70/20/10 rule splits a marketing budget by risk: 70% to proven channels, 20% to promising ones, and 10% to genuine experiments. Popularised by Google’s innovation model, it prevents the two classic errors — betting everything on one unproven channel, and never testing anything new. It governs allocation, not the total.

The 70/20/10 allocation model applied to a small business budget. Percentages are a planning heuristic popularised by Google, not a guarantee of results.
Bucket	What belongs here	Typical channels	Its job
70% — proven core	The channels already returning more than they cost	SEO content, email, the one social channel that converts	Keep the lights on and revenue growing
20% — promising	Channels showing early signs but not yet proven	A second social platform, light paid tests, partnerships	Find the next reliable channel
10% — experimental	Genuine bets with unknown payoff	A new format, an untested audience, a creative swing	Learn something, cheaply

Worked example

The four-step budget method

Put the two steps together into a routine you run every month. This is the whole system — deliberately small enough that a busy founder will actually keep it up.

1

Set the total from revenue, not vibes

Start with a percentage of revenue rather than a number you hope to afford. A benchmark widely attributed to the SBA is 7–8% of revenue for businesses under $5M; pre-revenue founders instead cap spend at what they can lose without pain. Write the monthly number down before you look at any channel.
2

Split it 70 / 20 / 10

Divide the total across proven, promising, and experimental buckets. This stops two classic mistakes: pouring everything into one unproven channel, and never testing anything new. The proven bucket protects revenue; the small experimental bucket keeps you finding what is next.
3

Assign each channel to a bucket

Put every channel you use into one of the three buckets, honestly. A channel is only "proven" if you can show it returns more than it costs. Most founders discover they have been funding "promising" channels at "proven" levels — the fix is to rebalance, not to spend more.
4

Review monthly and rebalance

A budget is a hypothesis, not a monument. Once a month, move winners up a bucket and demote or cut what is not paying back. Watch payback period so you are not scaling a channel your cash flow cannot support yet.

Step three

Channel cost and return, side by side

To assign channels to buckets you need a rough read on cost, speed, and return. Owned and organic channels — email, SEO, organic social — cost little cash but pay back slowly. Paid channels are fast and measurable but cost recurs. Match the channel to the bucket its evidence earns, not its hype.

Relative channel comparison for small businesses ($ = low cash cost to $$$ = high). Return notes are directional, not measured figures — verify any specific ROI claim against your own numbers (as of 2026-07).
Channel	Cash cost	Time to results	Return note	Best for
Email marketing	$	Weeks	Consistently reported among the highest-return channels	Repeat buyers and warm leads
SEO / content	$–$$	Months	Compounds — slow to start, cheap per visit once ranking	Long-term organic demand
Organic social	$	Months	Free reach but time-intensive and algorithm-dependent	Brand awareness, community
Paid search (PPC)	$$–$$$	Days	Fast and measurable; costs recur every click	Ready-to-buy demand you can afford
Paid social	$$–$$$	Days	Great for testing creative; needs a validated offer	Scaling a proven message
Referral / word of mouth	$	Varies	Low cost, high trust, hard to force	Service businesses with happy customers

Notice the pattern: the cheapest channels in cash — email, SEO, organic social — are the most expensive in time, and they compound. The fastest channels — paid search and paid social — cost real money every day and stop the moment you stop paying. A healthy budget usually leans organic in the proven bucket and uses paid to amplify once an offer is validated.

Go deeper by channel

Build out each line of your budget

One guide per channel, same budget-first lens

Once the buckets are set, each channel deserves its own plan. The guides below go deeper on the channels most small businesses rely on — each written for a founder counting costs, not an enterprise media team.

If you only read one first, make it email: it is the cheapest high-leverage channel and the one you fully own.

Where to start

Tight on cash: email and SEO first — low spend, compounding return.

Need speed: a small paid test, but only behind a proven offer.

Big picture: the marketing for startups pillar ties it together.

Owned

Email marketing for small business

The cheapest high-leverage channel — list building and tool choices.

Organic

SEO for small business

Search traffic that compounds without an agency retainer.

Social

Social media marketing

Pick one platform and post sustainably — plus when to pay.

Frequently asked questions

How much should a small business spend on marketing?

It depends on revenue, margin, and stage. A benchmark widely attributed to the U.S. Small Business Administration is around 7–8% of revenue for businesses under $5M, with growth-focused firms sometimes going higher. Pre-revenue startups should instead spend only what they can afford to lose while one channel proves itself. Set the total as a percentage first, then divide it.

What is the 70/20/10 rule for a marketing budget?

It is a way to split a marketing budget by risk: 70% to proven channels that already return more than they cost, 20% to promising channels worth scaling into, and 10% to experiments. Popularised by Google’s innovation model, it keeps you funding what works while still testing the future. It sets allocation, not the total amount.

How do I split my marketing budget across channels?

Assign every channel to one of the 70/20/10 buckets based on evidence, not hope. A channel only belongs in the 70% "proven" bucket if you can show it returns more than it costs. Everything unproven sits in the 20% or 10% buckets until the numbers earn it a promotion. Review and rebalance monthly.

What is the cheapest marketing channel for a small business?

The cheapest high-leverage channel is usually email to a list you own, followed by SEO content and one organic social channel. All three trade time for reach and compound over months. They cost little in cash but real effort — which is exactly the trade an early-stage founder should be making. See our email marketing guide.

How do I know if my marketing budget is working?

Judge each channel on return, not activity. Track customer acquisition cost, channel ROI, and payback period, and compare a channel’s cost to the revenue it produces. If a channel cannot show that a dollar in returns more than a dollar out over a reasonable window, it belongs in the experimental bucket — not the core budget.

Should a startup use paid ads or organic marketing first?

Organic first, in almost every case. Paid ads amplify a message — so you need a message proven to convert before you pay to scale it. Founders who buy ads before validating their offer usually just pay to learn it does not work. Prove it organically, then use a small paid budget to pour fuel on the fire.

What percentage of revenue should go to marketing?

A common planning range is 5–12% of revenue depending on stage and margin, with the SBA-attributed 7–8% figure often cited for small businesses. High-growth firms and thin-margin retailers sit at opposite ends. Treat any percentage as a starting hypothesis you adjust once you can see each channel’s actual return.

Put your first channel behind the budget

A budget only works once channels fill the buckets. Start with the cheapest high-leverage one and build out from there.

Start with email marketing

Want the full picture?

See how budget fits the whole startup plan.

Marketing for startups