If your PHA is any good, they'll prevent slumlording through the inspection process, and over the course of time, property values rise, more people invest, and eventually rents rise to above Section 8 levels.

Tending to any emergency/water issue is high on the priority list and needs quick intervention to prevent long term/expensive issues and fit in well around the scheduled turns and regular unit maintenance (can be done anywhere from quarterly to annually and announced 1+ weeks out - checking for leaks, fire alarms, extinguishers, health/safety issues, windows, cleanliness, undocumented pets, etc).A lot of this will depend on how many techs you have, how well the tenants are trained about telling you when issues arrive, and how often you inspect the units to get ahead of the issues before they become a huge headache.Justin

An LLC should help to prevent your personal assets from being used to satisfy a judgement against your investment property and can help differentiate your personal property from business property should the business ever dissolve.

Is there a way to ensure that the other person does not try to take future deals directly to your investors circumventing you in the process.Is there way to prevent this when you wholesale when virtual wholesaling in other markets.Karl

While the entry must be notorious, it must also be peaceable to prevent violence and warfare, whichmight otherwise result.The payment of real estate taxes by the owner, while demonstrating that he or she has not abandoned land, is not considered to have any impact on continuous possession.The adverse claimant may destroy his or her continuous possession by abandoning the land or giving it to someone else, even the owner, before the time at which title to it wouldvest.

Anything that prevents buildability that we know today..

Also, once you give an offer, what are you doing to prevent being "shopped" around for investors willing to pay more?

Shouldn't there be a way to prevent anything from posting without author ID?

If Leo's service buddy is willing to sign and walk away, could @Leo H. if he still has it and is willing, try to make this situation right (or more right anyway) by giving up his $2K fee and send the money immediately to the bank to prevent foreclosure and help the original seller start the eviction process with tenant in place? 

Given, that, and assuming your debt to income ration would not prevent you from getting another mortgage, you best option would be to save up the down payment for you next purchase.