Sell my house fast Jackson? We buy houses in Jackson, Gulfport, Southaven, Biloxi, MS and surrounding areas in as little as 7 days. If you’re saying & I need to sell my house fast!, We’d like to buy. We can help you sell your house in Jackson, Gulfport, Southaven, and Biloxi MS at a fair price and fast. We will make a reasonable cash offer within 24 hours. If the offer is acceptable to you, we close the deal in as fast as a week. This is because we do not rely on traditional sources of financing such as the banks which take longer to finance the sale.