The 1031 must be a sale of investment property followed by the purchase of investment property. 

BP has built a great selection, all of them worth reading and that will help you build foundational knowledge.To answer this one: the words from old school investor Dolf De Roos "seldom sell" and you will find a lot of post on BP from people who regret selling properties in the past.

In my market if the property went up by $365K the taxes would have increased by about $8,000.

We ended up selling those properties. 

Subject: Status of Your Rental Application Dear xxxx, Thank you for your interest in the rental property at xxxxxx.

Similarly, if you put several Class D tenants in a Class A 4-plex, what do you think will happen to the property?

In some cases, after crunching the numbers, the profit margin was so slim—or even negative—that I had to pass on some promising opportunities.Here’s my situation: I currently own two properties—a primary residence and a rental property—both of which have substantial equity.

Can they prove how long it takes to rent a vacant property?

Are they doing everything possible to expose properties to the broadest possible market?

The property is unused most of the year.