.- Also, you need a legal way to take back the deed if buyer defaults!

Taking on issues the seller is not willing or able to cope with can score you a better deal.

The issues really happen when it's just R.E. agents begging for some $, pitching "I can do that too" and in reality there in breach of NAR codes because they don't have proficiency and expertise in it what so ever.

The snow companies that are good can be really pricey and we have had issues with some of the smaller guys in past.

But if its not related to that type of water damage, the other questions ask about present tense issues, and not past issues.

The impact of not having F/f financing is large (>10%) if the appraiser recognizes this potential issue.  

Check out Every Landlord's Legal Guide by NOLO.

. - Just be prepared, because a motivated seller typically has a property with issues you need to be sure you can solve.

The challenge with S8 in this scenario is you always have a piano over your head and all a tenant has to do is call the code office to create an issue for you. 

So, many landlords legally "bribe" these S8 tenants to move into these Neighborhoods/Properties with free appliances, TVs and internet.