As soon as you've recovered the costs of your mining equipment, it is practically obsolete and needs to be replaced. 

If using realistic expense estimates (such as the50% rule), this negative equity can take years to recover.  

There is a conference next week in Florida where one day will be dedicated to discussions and strategies for helping people not just avoid the gators but also recover from them. 

In 2 years our investment had been fully recovered plus some.  

You can control a not so good price with the terms.In the end, the profits (CF or flip) starts when you recover your cost. 

This negative position can consume years of cash flow to recover.

However, you can expect to recover about 50-55% of your investment when selling the home.Improve curb appeal, clean up the exterior, add landscaping, and make minor improvements to enhance the property's first impression.

I would think it will recover and continue to appreciate.

If you sell, you have a chance in your new properties to recover your loses in this one. 

Good Question, I would imagine the lender will want to recover whatever percentage that home represents in the single mortgage.