A good PMC has a fairly even spread of charges throughout the life-cycle of the rental property; that keeps their interests more in line with the client. 

Owner uses their normal property management software and tenant lifecycle processes, this is just an added layer. 

A 40 year old mobile home is near worthless as it is past the typical life cycle to many, and might not be insurable.

In order to do this you need to understand the phase that the market is at in the neighbourhood cycle ( as well as the property's stage in it's own life cycle within that neighbourhood. 

It is where it is on the life cycle.

Yes I understand that that is part of dealing with fleas because of their life cycle, but I still want to handle it in the most efficient and cost-effective manner possible.

Only heat will kill them throughout their life cycle. 

The 5% matching contribution automatically goes into the traditional TSP Lifecycle fund, but you can change the allocation, and YOUR contribution can still go into the ROTH TSP. 

Many businesses, which were slowly nearing the end of their life cycle, have been pushed toward bankruptcy (JC Penny, J Crew, Chesapeake Energy, Brooks brothers, Lord & Taylor, 24 Hour Fitness, Gold’s Gym, Hertz, Aldo, Cirque du Soleil, CMX Cinemas, etc.).

Obviously, you're in another stratosphere in your investing lifecycle.