For example, if default loan amount is 100K, how much will the legal fee also include any cost generate by this?

We would really need to know your full financial picture including interest rates to advise properly.You may want to consider asking here for an alternate viewpoint: https://www.reddit.com/r/personalfinance

I've not pulled the trigger as yet myself, as I have no idea if rehab project management is included.

The debt includes student loans and car payments of both me and my husband.

My cousin has worked in the business for about 25 years, and being an only child, he is the sole beneficiary of their will, including the business and personal assets.  

That does not include your brokerage fees as they are dependant on who you elect to affiliate with.While it takes about $1500 to obtain your license Real Estate, it is relatively one of the cheapest occupations in terms of start-up costs. 

My profile includes a little more info, so stop by and say hello.ThanksPhil

., not including the value of the land - you may need to allocate the total purchase price for the property if the purchase price of the building alone is not separately provided).

I was willing to pay the 630 total including the 5%buyer premium. 

Do not agree to any arrangements including paying for a new ac until you speak to your lawyer