Another foundation cracks question

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Hey guys,
I know there's a lot of posts about foundations and it's very difficult for people to give specific / precise answers, but a ballpark idea would be really helpful.

I looked at a bungalow today where the first floor is dated but not in a bad condition at all. The problem is the basement..

The house is at the bottom of a small hill and the basement has heavy hydrostatic pressure issues. Large horizontal cracks on the rear (facing the hill) and side of the house. Basically the crack runs the entire length of the basement and you can clearly see the bowing.

It's cinder block foundation.

There has been pretty constant water infiltrations which have caused black mold in the basement. Thankfully the basement is unfinished so there isn't a LOT of stuff that would need to be taken out.

Here are some pictures:

Mold:
http://imageshack.us/a/img534/1369/gpv1.jpg

Cracks:
http://imageshack.us/a/img96/5186/si7o.jpg

http://imageshack.us/a/img600/4761/97rq.jpg

I realize you don't have a crystal ball so you can't give me a clear price but at first sight, what comes to your mind as ballpark figure?

The reason I'm asking here on BP is that I don't want to request professional estimations if it's clear to the naked eye that this would cost an arm and a leg. I'm thinking because of the extent of the current damage they would need to install both a drain and support beams?

Thanks for the information.