< All Topics Main Comps and Adjustments - FAQ Duplicate? Print Comps and Adjustments – FAQ Duplicate? Can I add a property that did not sell in the MLS as a comp? How can I remove a comp? How is the adjusted sales price calculated? How do I input adjustments for upgrades? How are square footage adjustments calculated? How do I make a custom adjustment? Can I add my own comps? How should I adjust for third-floor attic space? Can I substitute manual adjustments instead of using system-generated adjustments? How do I account for concessions (sales or financing) in CMAsnap? How do I adjust for basement square footage? How do I add/remove columns in my comp selection table? How do I change a comp? The location of my property is not correct, what do I do? Does CMAsnap include off-market closed sales and FSBO data? Can I use CMAsnap to adjust for unique neighborhood factors, like homes next to a golf community?