You are excited to close your first deal and your excitement is about to push you to make a bad decision and buy a property 2000 miles away with a serious issue that you are not educated on.
What you are looking at is a high clay backfill and hollow core block that was not filled with rebar and grout. The clay expands and contacts with moisture changes and settles a little each time, pushing in the wall. The solution has to include fixing the source of the movement, and that means excavating the exterior, waterproofing, and backfilling with gravel which does not expand or contract.
The issue is there are lots of contractors who will take your 12k and put up I beams and you will think you are good. They will also sell you an interior sump pump for another 10k when the water is obviously entering from the exterior soil. We have an issue with competence and integrity when it come to basement/water contractors.
There will be other deals. I would keep looking.