Basement Wall Cracked & Bowing In
call in some local builders and get estimates ..... this is the only reasonable way of obtaining an estimate for such work. eyes need to be on-site to determine issues
might be able to jack up the house and remove existing foundation, then pour new concrete foundation. I've done that here for older homes, of course sometimes its cheaper to knock them down and build something new to your liking ....
I agree with Joe, unless you're picking it up for a song and a dance I'd probably pass on it ....
"You get what you pay for, and sometimes free costs more!"