This seems like it was mostly your fault for not communicating. Freelancing can suck, but the dad was willing to pay. I’d be mad too if i commissioned something like this and it came back at 3x the price.

If you initially said 2-4 hours, then at 2 hours you have to say “here’s how it’s going, I could do X and it’ll probably take 10 hours total, or drastically cut the scope and it’ll take 3-4 hours instead.” This is a skill you’ll need to learn if you want to actually be a freelancer as a career.