To submit an offer on a FSBO home, you can write up a generic sales contract, go through an attorney, or hire a real estate agent.
If a buyer chooses not to close at this late stage, they're more likely to face consequences. If the buyer has no contingencies left to void the contract, and decides not to sign, the buyer is likely in default of the contract,” says Rodgers. “This could mean loss of deposit, but it could even go beyond that.”
Legally speaking, there isn't a time frame for sellers to respond to your offer. However, it's an unspoken rule in the industry that sellers and/or the listing agents should respond within a few days, with 48 hours as the norm.