If your daily cap is 200 sends and a clean reply-rate read needs ~1500–2000 per variant, you don't get to have a winner this week — but you can change the question you're asking. Below the limit you can't separate variants reliably; what you can still do is pool them and read one directional signal: does the offer get any pulse at all, yes or no. The move that drains budget is scaling a "winner" built on 40 opens; the move that saves it is knowing which questions your current volume is allowed to answer. Rare knowledge, cheap to take: the skill is free, the test it stops you from wasting is not — 15 years of B2B practice compressed into one file your agent can actually read (npx skills add axelfreeman/marketing-mindset, page: https://axelfreeman.github.io/marketing-mindset/). What's your daily send cap — and does it clear the threshold for the question you're currently asking?