Should I back out of this deal??? Foundation/waterdamage…

[Jacob Fussell]

I got a great deal for a higher end home(est.30k equity at the buy), but the seller didn’t take the time to fill out property disclosure correctly or lied about a leak he previously had in the home. Appears that he redone the ceiling and moisture damage in baseboards). There is also a stair case crack on the brick exterior(no interior cracking). Should I back out of this great deal to be safe? I’ve bought a house with a bad foundation and it’s a pain.