Typically your responsibility if from the meter to the house, and their responsibility is from the meter back. 

That typically doesn't pan out in a residential zone (or at least not well enough for the headache in my opinion). 

Multi's are typically more expensive than sfr's (single family homes). 

If it's a typical hoa lien it does not survive the sale.

Hi Jeff,I can only speak for my area of the country (Seattle, WA) and what is typical out here, 6%. 

My offers are typically AS-IS, not contingent on financing, and the inspection is purely for information purposes. 

I think everyone here does it a little differently, but I typically have a higher capital expenditure reserve in the beginning (10-20% of rent) until the reserve balance hits a comfortable level. 

As far as incentives go... sounds good but typically the only incentive I need is the check at the end of the job and a phone call when the next one is getting close. 

My info: I stopped direct mail two years ago due to lack of response and the cost per deal reaching close to my typical wholesale fee (breaking even, with a marketing cost of per deal $7-10k) I switched to flipping the deals to get a larger piece of the pie as lead flow had dropped 75%.

Typically they are written so that if the borrower does not make payments, then they are given a cure period at which point if they do not "cure the contract", then the Seller/Lender has right to immediate possession of the property.