None of these are "instant $500 for free," but they are real, legal, and won’t infect your PC with ransomware.
When you shop online through cashback portals (e.g., TopCashback, Shoop), you get a percentage back. Accumulate rewards and exchange them for Paysafecard codes. paysafecardgenerator github
Many repositories contain only a user interface (often written in C#, C++, or Python) with no backend functionality. The code might show a "progress bar" or a "Success!" message, but it is purely cosmetic. None of these are "instant $500 for free,"