First and foremost it’s against the law for an unlicensed individual to receive compensation in a real estate transaction. Secondly, the money you think you’re saving by doing this is not worth it. These are complex transactions and having an experienced agent to help you navigate it is worth far more than you’re going to save. If you’re not an agent, and insist on going it alone, the only remedy you have is reducing your offer price to adjust for the comission saved. This is probably an instance where representing yourself is not going to net you anything extra.