Seller Financing is One of the Most Powerful Tools You Can Use When Selling Your House. Seller financing can provide many unique benefits to a anyone trying to sell their home. Many home owners want to sell, however may not want to wait the time it usually takes to sell with a realtor. FYI - It can take months for a buyer to obtain financing. One of the greatest things about seller financing is that, if used properly, it can provide you with a nice stream