I have similar colored carpets in one of my rentals and was able to remove even darker staining (see attached pic). 

Coloring on the walls is not normal either.

Would you PLEASE share the flooring you put down and the paint color/scheme?

As far as I know, they passed with flying colors and it had nothing to do with our agreement.  

The more mysterious your letter seems (using different color paper, somehow making the letter stand out without giving away any info until opened), the more likely your letters will be read.Hope this works!

Yes you can be sued even with an LLC but you can be sued because someone doesn't like the color of your hair, it doesn't mean they will win. 

I can't recall the color offhand but it's a greige and I've used it in a few projects and got good results. 

. §§ 90.396, 90.40324 hoursViolence or threats of violence by tenant or a guest; intentionally causing substantial property damage; giving false information on an application within the past year regarding a criminal conviction (landlord must terminate within 30 days of discovering the falsity); committing any act “outrageous in the extreme” (see statute); intentionally or recklessly injuring someone (or placing them in fear of imminent danger) because of the tenant’s perception of the person’s race, color, religion, national origin, or sexual orientation; second failure to remove a pet that has caused substantial damage

The owner pays eviction costs so...Some insist on renovations at turnover to install particular fixtures or paint colors to make touch ups easier for them.

Also, you need to use a different color postcard or envelope.Brian Haskins