So from the get go you may find that seller financing is a non starter if your properties are highly depreciated and secondarily appreciated.The 1031 exchange has a limited shelf life of 180 days. 

The coverage is $40,000 for condo unit and $500,000 for liability.

Affordable Housing Incentives - The city of Oakland will reduce set back requirements to build on a lot, and actually increased the number of permitted units above the zoning limits if you build a certain % of affordable housing units into the building, and commit to keeping the rental units in a program like section 8 for 55 years ( see here).

Using partnership treatment to allocate SE income to the spouse with wages and away from the second spouse could produce a lower SE tax liability. 

They are typically cover less stuff (your personal belongs are gone and they don't cover tenant possessions) but they provide more liability.

Hello BP, I herd of some banks here in Indianapolis that will bundle up about 5 mortgages into one big lone once you reach your limit of mortgages so you can continue to get new mortgages.

There's tons of people on here who will say they have some number of properties, but I just think that's giving yourself more exposure to liability if you say a high number of properties.

Buying at fair market value is one thing, buying significantly above it is another.Understand that this strategy can limit your exist strategy and that you may need to hold it 5-10 years unless the market appreciates a lot.

While value add if you buy properties that have good occupancy in solid, growth markets should limit your risk. 

In the lease, it also states that they understand that now all liability lays on them, and that they will coordinate shoveling/salting/lawn maintenance if they cannot keep up with it within the city's requirements.