I always use plastic shims to prevent any rocking.Caulk the front and leave the back open.

You will be able to see the lines of the yellow paper beneath the white paper.

Then the drain service ran a camera through the line and found that the main line, going into the street, was broken beneath the sidewalk. 

The difference between the two are that one has the ability to purchase property with a 20% downpayment (broker) and the other has to go with loans that require 25% down with a 15 year note.I have also read that some folks form and umbrella LLC and then put all properties beneath in their own LLC.

However, since I didn't know the card existed, much less that there was an outstanding balance, the delinquent charges plummeted my credit score down to around 600 -- beneath the minimum threshold for a 203k loan.

You need to first dampen the impact noise with a barrier beneath the subfloor of the upstairs unit (this is the most important part, if you don't do this forget it).

Unless you keep a constant wax coating on it, and no water gets beneath, then the floors are the worst.

Then, although you're on call 24/7, most of your time is yours to manage the way you'd like to.Or a handyman/maintenance service you market to private landlords.This is probably beneath you, but resident managers who can handle maintenance, as well as manage tenants and handle bookkeeping are very rare and in demand.There are so many different types of properties who need them.

I don't know the requirements for your state.Again, if that's way beneath your situation, forgive me.  

As soon as you scratch beneath the surface there's always more to them.