Multi-family units are particularly good for this, providing consistent rental income and reducing vacancy risks. 

In other words, if one property requires a major repair, reserves from other properties can help cover the expense, reducing the need for each individual property to have a fully stocked reserve at all times.

It's been my experience that adding that to the lease has greatly reduced complaints from the City/neighbors.

At that point you can either add your own cash to the cash from the 1031 and reduce your new mortgages. 

we have participated in the on-line tax auction a few times and believe the process is very broken. 

Use the $25,000 towards reducing the home price, which would decrease my yearly property taxes.2.

You should NEVER use an online template as most of those are easy to trample if need be.

6.125% has P&I of $2625/month.5.75% has a P&I of $2521/monthThis is a $104 benefit.Paying $4400 more towards principle will reduce your payment to $2598, a $27/month savings.Math says buying the rate down has a larger net benefit to you up front, but it will take you 42 months to break even.

Must be licensed and have somewhat of an online presence.

Although it does reduce the premium slightly for that particular rating factor, it is not optional on the part of the HOA as an intentional cost saving measure.