This gives you the financial resources to buy your next property or two.  

Could you buy another house hack instead? 

If you are confident you can re-rent it within a certain time frame, you might offer to let her buy out of her lease.

If I sell a single family house for $1 million which has a mortgage of $100k, can I do the following: I buy a single family house property using 1031 exchange for $1 million and get a mortgage of $700k .

Investment Info:Large multi-family (5+ units) buy & hold investment.

Two major differences here are:  (1) most "investors" in the mid 2000s  we're not buying for cash flow.  

Put it in your lease, teach them how to change them, buy them a one-year supply (usually $20), and then hold them accountable.Your home did not cause this problem; your tenant did. 

But I also feel that over the last several years, many groups are getting greedy and wanting to be paid to transact more than buy good deals.  

The market for buyers on QCD is going to be smaller so you are limiting your market with a QCD but we buy/sell homes all the time via QCD just need to find the right parties.  

Our goal is to start buying MF within the next year to two years.