An automated valuation tool is not an appraisal, but it can be a valuable tool to help you understand what your home is worth.

It predicts what the price of your house should be based on a mathematical algorithm, which usually includes a hedonic statistical model and a repeat sales index.

 

A house under contract in real estate in real estate cannot be sold to someone else unless the original contract is nullified.

An agreement signed by both the buyer and seller is executed and a binding contract.

However, most contracts have contingencies. If these are not met, then the deal may fall apart. After that, the seller may sell the house to someone else.