Open ended contracts, particularly verbal ones, usually end badly.

Some of the best investment were made in bad neighborhoods and higher crime rates then as usual the area becomes gentrified and continues to grow in both equity and passive income.

Rents for medium term rentals usually range from 1.5 times to 2 times the normal rent for a place.

An LOI isn't usually a big deal and I've had properties ask to sign one before a viewing and there wasn't anything fishy going on with those.

Heloc rates will be WSJ Prime + a spread, with the spread being 1-2 points usually.

As I said usually when companies cant cut checks right away its some sort of cash flow issue.

In fact, for tax sales in PA, the parcel number check is usually best performed first, to see what mortgages can be found (if any); seeing a big mortgage means it's best to move on to the next property on the list.And on a side note, IRS liens can be wiped out at foreclosure of any kind, provided the IRS lien is in a junior position and provided that proper notice is served upon the IRS. 

@Zach Howardyou can usually post enough information in a thread without the address and people will usually happily help you analyze deals. 

The fee for this is negotiable, but you can usually estimate about 1 month's rent for this service. 

My experience is the min is around 15%, but I've read some posts on BP that some lenders can offer a lower minimum (but that usually means a higher interest rate).