Description : If he pays me to help him sometimes? We don't want to make a contract that I go to him on the weekend to help throw a few walls, etc .. We've known each other for 20 years. He'll give me the money right after work.
Last Answer : From a certain amount, it could be a tax-free profit and therefore undeclared work. I will answer you differently than according to the laws of the Czech Republic. If I have a relationship with the person, I ... giving you some money, then take it, don't talk about it, and you'll both be satisfied.