Bootstrapped CPC rule of thumb: ARPU/25
A Smart Bear: Longform
JUNE 7, 2025
You donât have that budget, and youâre keen on getting a reasonable return on investment reasonably quickly. 1 The correct version also includes multiplying by Gross Profit Margin, i.e. the cost to serve customers, which for SaaS is tech support, server infrastructure, and payment fees. Hereâs my way.
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