Construction techniques, and materials used often make it difficult to replace plumbing.

Buying the property at the right price, finding the ideal tenant, and being a good landlord needs to be the focus rather than the alternative.  

If you can use your 0% down on an alternative investment with better margins I would probably do that, but if not then getting cash flow for free is not a bad alternative...Just make sure you know the condition of the building!

I have tried asking neighbors, yellow pages, looking through court documents for an alternative address, google, facebook and intelius.I really don't want to spend a lot of money looking for each person as the likelihood is I will receive a negative response.

Can anybody provide some good alternatives to finding Pre-foreclosures besides websites that all have the same listing?

I don't expect the next property to be so easy to find so I'm wondering what techniques are working in this area.

I am wanting to use time on the market as leverage for lowering the price, but I'm trying to find out at what point this would technique this will work.Can anyone give me a break down of time on the market to likelihood of selling?

If it takes a year or two to get those next properties in line, it may be the safer alternative to over-leveraging yourself.

They are actually going to alternating locations each month, rather than 2 meetings a month, so you could try to hit both.  

That doesn't mean that you should quit, but rather find an agent who does specialize in what you are wanting to do and/or find alternative ways to invest outside of what you asked him about.