1. It only matters what was in the original contract, it doesn’t matter what’s fair or not. 2. If you had asked for royalties in the start, you probably wouldn

1. It only matters what was in the original contract, it doesn’t matter what’s fair or not. 2. If you had asked for royalties in the start, you probably wouldn’t have been hired. Unless this was some problem only the top 0.1% of engineers could build, why would they hire you instead of some other person who wouldn’t ask for royalties? 3. That’s the nature of being a freelancer vs a business owner. You just built it and got guaranteed income. The owner still has to sell it and take risks to make it profitable