I'm looking to become an investor and hire a property manager to deal with the regular issues. 

It does not sink into the wood like regular stain.

THUS I get shut off notices pretty regularly for our houses and forward them to the tenants.

It's the AZ affiliate/chapter of the National Real Estate Investors Association and there are several regular wholesalers at their monthly meetings and the local Phoenix Club.

If it's a drywall or plaster ceiling, you're very likely to have cracks on it too.I'm also assuming this is regular residential live load (not a main corridor in a multifamily).One option you have is to simply double up the joists. 

My relatives knew his mother and would stop to check on her on a regular basis to make sure she was ok. 

Although being paid to fly around the country to help people in different markets sounds appealing, I've always advised others to buy local help, and believe mentees will generally have a better experience w/ someone who's immersed in their market and available to meet face to face regularly.  

We used both the styles that were regularly in stock and also the styles that we had to order in from the warehouse.

I am a contractor , the reason I get discounts at my regular specialty suppliers is because of the $$$$  spent and the relationship over the years .

Basically, I either don't understand the questions and/or I don't understand the intent behind it of why you ask.Hi David--          Flippers, wholesalers & others tend to have a regular circle of go-to buyers, vendors, lenders, GPs etc.