Good advice on this thread.
I will add, ...sounds like you are good with cars.
Watch this YouTube vid. This guy does a Subaru head gasket change in his front yard. Now you have an excuse to the wife to purchase more tools to save more money
https://www.youtube.com/watch?v=5PLdz-lXnQA
If the Jeep is drive able as is, would help in juggling repairs until you get caught up.