The cha-ching till sound has lived in shops, cartoons and advertising for decades as shorthand for a sale. Online it became a go-to meme cue, dropped over screenshots of stock gains, resale flips, sports bets and payday posts to joke that money was made. Short soundboard clips like this one spread because they land instantly and fit tight edits, keeping the effect popular with creators making finance humor, haul videos and reaction content.