It's not uncommon for houses here in Connecticut to have oil fired boilers / furnaces so when you begin looking at properties, keep an eye for that, as tenants will shy away from those units.

Such changes can be done with an addendum or by signing a new lease.We have a procedure for adding or removing a person from the rental agreement, as changes in household make-up are not uncommon.

A mentorship with an roi so to speak.The more uncommon is the route you mentioned. 

-- Not uncommon that this isn't covered. 

It's not uncommon for half the cost (or more) to be base fees.

Low appraisals are not uncommon right now as appraisers are limited to only using sold comps which, in a fast paced market, is lagging data.

I don't know how that will play out where you are but it's not uncommon to get more from Section 8 than from market rents.Lastly, I have made it my mission to understand the rules & processes of my local housing authorities (I deal with 2 here) so that I can maximize rents and ensure good lease compliance from tenants.I am currently owed $0 in past due rent (including the tenant portion) and my tenants are taking good care of their properties and are easy to work with.  

@Andrew Postell After doing some more research, it seems like 85% LTV is pretty uncommon.

My realtor says it is not uncommon to not have it.

The process of disregarding an LLC in Delaware is, in fact, fairly uncommon.