Ready the assets: a dedicated folder per level, a one-line Apps Script that records the payer’s email on every copy event, and a skinny 120×600 web banner exported as transparent PNG. Moments later the banner snugs inside an newsletter, the script is green-lit, and the first $3 tip triggers the receipt plus the shared-google drive file Download generator invitation. Nil additional tinkering–scale to ten thousand simultaneous clones without hitting the 750-gig upload cap.

Need a tighter view? Sub the range title reference–like Timeline–and add top 10 to display only the decade of laggers. The table recalculates on every you hit the workbook, so no more taps or extensions are required.

Overwrite FILE_ID with the 33-character chunk. The finished address for the sample file