(You can prove that it didn’t work due to long term inactivity because it’s a very common problem, but it’s gonna cost you and it’ll drag out any court precedings).Do not pay someone to go in a remediate any surface mold.

I would like to come back to him and revisit the possibility one more time but I don't know what to offer him.Can you please help me with common interest rate, term, down and anything else that may be beneficial in getting him to be more interested.Do I need to increase the purchase price?

I do a little accounting from home for my pre-children employer, but otherwise my job is caring for our twin 2 year old boys, managing the house, and our 8 rentals. 

I have set my minimum requirements according to common information posted on BiggerPockets.

I'm wondering how common is this situation in other countries? 

I reduce my wage income through contributions to various retirement vehicles including a deductible Employer match (30K+ currently) and medical savings accounts (although that is only a modest tax savings), but I am not counting on too much more than that to directly reduce my wage income.

Fairly common structure that has been discussed on the BP podcast many times. 

Yours is a common problem right now.

I think you need to look very, very carefully at the local job market and the key employers as well as growth and new construction inventory. 

I'm self employed, I lost big in 2008/2009 so no conventional banking will work, I've been trying for months.