If she'd left the mail out in plain view, where you would have been with her permission, then she wouldn't have had a reasonable expectation of privacy.http://injury.findlaw.com/torts-and-personal-injur...2) Yes, the sister would establish tenant rights by living there.  

Can't remember exactly now, but I think it was something like 14 days in a 6 month period, without written permission.  

Contact the wife and get her permission to remove her name from the lease then simply have the husband sign a M2M lease since he will probably not be staying long anyway.

The kind of tenant who 1. allows another to occupy without permission, 2. is dishonest (or at least withholding) about his occupancy, and 3. allows him to smoke inside - probably not the best in the long-term.

Complete invasion of privacy unless you have permission.

Would anyone be able to advise how tricky/ difucult it is to get the proper permits and permission to convert my half bath to a full bath?

Thanks for your permission to carry on! 

Is a tenant in violation of their lease agreement if they refused to allow someone into the property with not only permission from the owner, but owner highlighted the agreement stating they must give tenant 24-hr notice..?

sid=41644556&nid=148&title=sal...NALS Apartment Homes denied the family permission to keep the boy's assistance animal after his doctor refused to assume liability for any possible damage caused by the animal.

Guests: Tenants may not permit any guests to remain on the premises longer than X Days without Landlord specific written permission.  .