What type of additional costs are you talking about and to who?
Everything should go through the title company and the title company should have a HUD which lists all the costs of the entire real estate transaction. You can receive a copy of the HUD from your Realtor, the lender or the title company. Everything should be payed at closing by the title company from the proceeds of the transaction. If you or the other parties involved submitted receipts or invoices for outstanding fees, the title company usually cuts checks to the appropriate parties ie, inspectors, repairmen, etc. As a buyer, you are responsible to pay for any and all inspections, including termite inspection, unless it states otherwise in your contract. After the closing, you as a buyer should not owe anything to the seller (Provided you did the transaction with traditionally and with a Realtor and title company.