But, isn't more frequently than, say, twice per year a little "intrusive" to tenants just for routine maintenance? 

I meet people that are making what I consider a small fortune (over $500k a year) routinely at local method.

In the meantime, try to be productive in other aspects and don't let this affect your daily routine of conducting good business.

Routine inspections should be a part of the property manager's job.  

I am a title searcher that does some work in South Carolina and I routinely have county probate offices fax me copies of will's, orders, etc. in the course of doing my searches.  

Cleanup can be a pain at first, but once you figure out the routine, it's fast. 

The amount that you need to reinvest is your Net Sale Price, which equates to your Gross Sale Price less routine selling expenses such as broker's commission, title and escrow closing costs, attorney closing fees, recording fees, exchange fees, etc. 

Perhaps people have to drop lattes from their daily routine to pay the increase. 

It has become a big part of my morning workout routine - and is a great, practical, and timeless set of inspirational stories and encouragement.

Building your buyers list should be something you have in your daily routine, whether it is networking or posting ads on Craigslist, you should always be trying to get continuously build your buyers and sellers list.