Before you buy real estate, you must analyze it, just like you would analyze a stock purchase before investing in the market. Just because a house looks like a good deal doesn't mean it is - you must gather all your information, crunch the numbers and then figure out if a real estate deal is right for you. The Information You Need To Analyze Real Estate Deals To analyze real estate deals, you must gather all the necessary information. The information you need includes information about the property, its costs, potential income, and the financing details.