Use the free home sale net proceeds calculator to estimate your home sale price, total costs, and net proceeds. The home sale proceeds calculator uses the costs of selling a home in your area to estimate how much you could make when you sell your home.When selling a house in Chicago, you must: 1. Price your home competitively 2. Residential properties are assessed as of January 1st of the current year, using three to five years of prior sales information. Selling a house without a realtor involves preparing prelisting, listing, disclosure, negotiation, and closing paperwork. Legal help can be beneficial. Example of Calculating Holding Costs. Your KW agent is a great source of advice on specifics for your home preparations so that your house is positioned competitively in the market. When selling a house as is in Chicago, you must: 1.