What's the ROI on Dispensary Promotional Items? We Did the Math.

If you spend $900 on branded lighters, how many additional visits does that generate? Most dispensary owners can't answer this question — and that's a problem, because it means your merch budget is a guess, not a strategy.

We built a framework for calculating promotional item ROI, and we're sharing it with real numbers. The results might change how you think about your merch spend.

The ROI framework: four steps

Step one: calculate total investment. That's units ordered multiplied by cost per unit, plus any shipping or setup fees.

Step two: estimate total impressions. That's units multiplied by impressions per day multiplied by retention days. An "impression" is any time the customer sees, touches, or shows someone your branded item.

Step three: estimate the conversion rate. What percentage of impressions lead to a meaningful action — a repeat visit, a referral, or a social media post? This is the hardest number to pin down, but even conservative estimates (0.3–1%) produce meaningful results.

Step four: calculate revenue impact. Convert the action rate into visits, multiply by your average order value, and compare to your initial investment.

Worked example: branded butane lighters

Investment: 500 lighters × $1.50 = $750. Impressions: 500 × 3/day × 21 days = 31,500 total. Cost per impression: $0.024. At a 0.5% action rate, that's 157 opportunities. If 20% convert to an actual visit at $45 AOV, that's 31 visits × $45 = $1,395 in incremental revenue. ROI: 86% return on a $750 investment.

Worked example: solar lighters

Investment: 500 lighters × $1.80 = $900. Impressions: 500 × 3/day × 180 days (conservative wallet life) = 270,000 total. Cost per impression: $0.003. At a 0.5% action rate, that's 1,350 opportunities. If 10% convert to visits at $45 AOV = 135 visits × $45 = $6,075. ROI: 575% return on a $900 investment.

The difference is almost entirely driven by lifespan. The solar lighter costs $0.30 more per unit but generates 8.5x more impressions because it never runs out of fuel.

Worked example: premium grinder as loyalty reward

Investment: 100 grinders × $5.00 = $500. Given only to top customers (who already visit frequently), the grinder's ROI comes less from new impressions and more from deepening loyalty. If the grinder prevents even 20 customers from switching to a competitor over 6 months — at $45/visit, 2 visits/month — that's 20 × $45 × 12 = $10,800 in retained revenue on a $500 investment.

Different items serve different ROI mechanisms. Daily-carry items drive new impressions and referrals. Premium items drive retention and loyalty.

What these numbers don't capture

These calculations are conservative by design, and they miss several sources of value. They don't capture the social sharing effect — when a customer posts your merch on Instagram, the impression count multiplies. They don't capture the referral chain — when someone lights hemp wick with a solar lighter at a party and three people ask "where did you get that?" They don't capture the brand equity compound effect — the cumulative impact of thousands of impressions over months.

The real ROI of merch is almost certainly higher than any model suggests. The model just proves the floor is already positive.

Try the numbers yourself with our interactive budget calculator, or see our full pricing breakdown for unit costs across every category.