It LOOKS like the outside had excess moisture which froze and expands the soil pushing the wall in. 

Why rush getting money back to somebody who has broken the lease and likely you'll have a potty-training soiling of flooring to deal with?

But if the soil outside the basement is saturated, then you have pressure from the water that will force it in.

Well not a new lesson but, was reminded of a previous lesson and why I go so far with inspections.We are in a area that very bad soil, so many, if not most, properties need foundation work which can range from minor to very expensive.

The carpet in the living room was not in bad condition, but considering there were pine floors underneath (why in the world would they cover that?

My assigned agent told me that no matter what happens, including foreclosure, the bank will not let me get out from underneath repayment. 

For example, this week during a termite bond inspection the inspection person sniffed a gas leak underneath the house and told me as I was checking on the other matter.

Soil conditions were dry when I moved in, but I noticed that there was a runoff in my lawn running down from the field.

Check your grading - soil should be graded away from foundation.  

We do both commercial and residential landscaping.I will be the first to let you know that landscaping before and after shots are poor ideas for landscaping ideas.Landscaping is about use of the current environment and light availability combined with new colors added by additional plant life, soil & mulch, and hardscapes.Each landscape scenary should be custom built to the equally unique property, which colors and shapes selected to fit the personality of your property.