50%of the agent is a lot. Typically 15-20%.
If he is an agent, you will offer your work galleries, Nabavi are still 100%and how much to raise your price is a third or a quarter of the purchase price to sell? Besides shipping, insurance,,,? Encourage your child to his own version of the contract. With some changes of its variants.
Ask him more questions prepisyvaytes if it corresponds with the hunting and constructive manner, then there is a chance, or work or expand your business horizons.