This calculator is arithmetic on a table, not a live mixer. Enter quantities from your own [NOW] Paint to Get Rich π¨ session. It will not click the shop.
Upgrade payback
Studio button payback
Estimates how many sales cover one green-button cost. Type the Cash cost from the button and the extra Cash you expect on each later sale. The sample defaults are not in-game prices, and the form does not read your plot or include the Prestige multiplier.
Payback cycles = upgrade cost Γ· extra profit per cycle, rounded up.
Defaults are placeholders so the form is not blank. Replace them with the button cost and the offer change you see. This arithmetic ignores Stars, the five-minute auction lock, and the Cash you may need to hold for Prestige.
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