If they went to the trouble of getting on the DNC list, they are like buzzing bees waiting to be disturbed. 

Some have no IDEA>>>Give her instructions to text you with repairs so you have a record of her request or to email them.Give her instructions she is not to disturb other tenants,,"re dog poop" that you've had a complaint and if she continues to disturb other tenants you'll take action...  

Install can typically be done with out disturbing the walls or trim.

I was able to serve the tenants with an eviction notice for violating the lease because they were calling the police and causing a disturbance.

I just don't want to disturb my tenants if there's something walking around taking pics.  

You want smallish, well soundproofed rooms so your tenants aren't disturbed by others. 

Another problem with people living closer together is noise disturbance. 

Originally posted by Mike Cartmell: Preliminary/Final Drainage Report, Erosion Control & Grading Plan, Water Report, Traffic Study and an Erosion Control Permit will be required if the area of disturbance is greater than 1 acre, which @J Scott mentioned.In Maryland, it's not even 1 acre...it's 5000 square feet!

(Seems petty but believe me it can happen)   Similarly if all the breakers are in the main residence then if the tenant pops a breaker they have to disturb you.You could also actually look at "real" duplexes and triplexes.   

Cannot disturb others with barking (unless alerting for a medical issue) or aggressive behavior.