Operating Costs (optional) = Paid promo, platform fees, staff overtime
Net Profit = Gross Profit − Operating Costs
ROI = Net Profit ÷ COGS (or ÷ Total Costs if you include ops)
Your levers are simple: raise per-item margin and sell more units—without taking inventory risk.
Realistic Cost & Price Guardrails (So Your Math Works)
Use these planning bands that consistently work for community gyms:
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Tees (quality blanks + standard print):
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All-in COGS: $15–$22
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Retail: $28–$35
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Margin target: $12–$18 per tee
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Fleece (crew/hoodie, simple decoration):
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All-in COGS: $25–$45
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Retail: $49–$65
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Margin target: $20–$30+ per piece
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Quick price formula:
Retail = COGS ÷ (1 − Target Margin).
Example: $15 tee cost at a 50% target margin → $15 ÷ 0.5 = $30 retail.
Keep designs clean (1–2 locations), SKUs tight (2–4 styles max), and you keep COGS down and conversion up.
Three Worked Scenarios to Hit $1–2K Profit
Plug your own numbers in, but these mirrors what 100–300-member gyms routinely achieve with a seven-day preorder and basic promotion.
Scenario A — Mixed Fall Drop(most common)
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Tees: 60 sold @ $30 retail, $14 margin → $840
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Hoodies/Crews: 40 sold @ $59 retail, $25 margin → $1,000
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Total Profit: $1,840
Why it works: One staple + one seasonal piece gives members an easy choice without decision fatigue.
Scenario B —
Single-SKU Winter Fleece
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Hoodies/Crews: 60 sold @ $58 retail, $24 margin → $1,440
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Add a last-day push (+5 units) → +$120
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Total Profit: $1,560
Why it works: One hero product simplifies promotion and production, and cold weather boosts fleece demand.



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