We permanently mount a lockbox in an inconspicuous location on each property.

I did read that most testing companies are pretty inconspicuous with regards to where they test, so perhaps that would be allowable during due diligence.

Slowly inconspicuously back off and without anyone even noticing focus on SEO, take over your market and get ALL the leads.That is what I did.I am telling you, this is not just what all SEO companies say.

Then, something more secure, more inconspicuous might help. 

Add outdoor lighting and some obvious cameras along with some inconspicuous ones.

I would suggest using the LLC to be inconspicuous.

Try to do it inconspicuously as part of some other repair or maintenance.

I'd like to install the following matching security and doors (although no trim of jamb will be removed or impacted) similar to these: https://www.homedepot.com/p/Unique-Home-Designs-36... and https://www.homedepot.com/p/Feather-River-Doors-36...Paint - I plan to paint the exterior in a historically appropriate 3-tone color scheme, likely white with grey trim and black sashes.Siding repair - the 1x8 wood siding has minor rot in a few small inconspicuous areas, that I plan to replace by weaving in appropriate new wooden planks matching in dimension.

The citation includes the following notice to the defendant, printed in English and Spanish in conspicuous bold print:SUIT TO EVICTTHIS SUIT TO EVICT INVOLVES IMMEDIATE DEADLINES.

Basically Google Glasses, but inconspicuous.