I'd recommend periodically visually inspecting the water drainage flow every so often and advising future tennants that the a/c drains there, therefore please make sure that that sink drains very well at all times and notify you asap if it does not.  

In many cases, the floor between the two is a conventional wood floor- i.e. wood joists, subfloor, and floor with carpet or tile as a walking surface.

In terms of new construction, a couple things to be aware of in San Luis Obispo County are water shortage issues and development fees/taxes which can significantly increase the building costs.SLO city and the neighboring cities are particularly diligent on their water usage, as most of the county's water supply comes from three surface water reservoirs and a groundwater basin.

It sounds great on the surface: use a 0% APR intro offer on a credit card and then pay it off when you sell/refinance the property.

If you pour a concrete slab here in Tampa, Florida, it will raise your Property Taxes because it is not "permeable" for water drainage.

Your thought process on the contractor providing quotes to possibly "win" a job may seem correct on surface level as a lot of businesses offer "free-mium" products - but ultimately time is money, especially in real estate where good contractors are in high demand and could better spend their time finishing a project before accepting the next one. 

Obviously this is an overall average but on the surface these numbers describe a typical West Philly, Olney/Ogontz, or cleaner North Philly deal, which from my experience make up a majority of the inventory available around that price point.What are everyone's thoughts on the health of the Philly market?

It has surfaced in the annual rents and vacation rentals.

You'll want to test the paint surfaces for lead.  

At the surface level, it does appear that you would have to pay capital gains tax on the profit.