Or just a signature is ok?? In this 2024 guide, we review how to wholesale real estate in Philadelphia PA through assignment contracts.I added a provision that the signatures of the buyer and seller must be notarized for the contract to be complete and valid. Secure your transaction with our notarized bill of sale template. How to get a residential property wholesaler license if you intend to buy residential properties solely for resale. Competitive prices in the wholesale market. The most common type of real estate contract that is used for the transfer of property between a buyer and a seller. If filing a re-registration, fill in the box below if the registrant's information has not changed from the previous registration.