Works amazingly well & I rarely have to get involved.

Quote from @Calvin Thomas: Well, my friend, they are accurate and correct. 

I decided to break it down and share the REAL costs and not just estimates.A lot of the work was screwing down and fixing the subfloor as well as completely screwing and securing the ceiling sheetrock.

Go for rock roads and no water drain or septic systems.  

Believe me, things ALWAYS come out, no matter how well litigants think they've hidden them.

Consider adding gutters and extensions versus french drain.

That tells me the bigger issue might not be just the yard, but overall curb appeal or pricing.More Cost-Effective FixesInstead of a full sprinkler system, here are some budget-friendly ways to improve the yard without draining your wallet:•Fresh Mulch & Gravel: Super cheap, easy to DIY, and instantly makes the space look intentional, even if the grass isn’t perfect.

A newbie with a newbie is a boiling pot of disasters waiting to happen.

If you have a flat roof with drains, or a pitched roof with gutters I would ensure either way that the flow of water is un-obstructed most commonly by leaves or pine needles from trees.

I assume that you’ve done a thorough investigation of the tenants, and found them well qualified.