It appears the relative has been living in the house for several years, without any type of lease, never paying rent and has no intention of ever leaving. 

You do not need a court judgment to file a claim.I hope you learned a lesson.

Also, it appears that the The Professional Career Center is an affiliate of GSAR; what benefits does that bring? 

And will testifie this in court.

Then if they made a big deal or were going to take you to court I would just refund it and move on. 

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In other words, if the light with the glow ring is discontinued, or now costs 500% more than it used to, it would be unreasonable for you to replace like with like because the primary function of the object is the mirror and the light, not the glow ring, and no court would find in the tenant's favor if it were litigated (no one is going to litigate over a mirror). 

It appears there is also some value add in raising rents and even adding a couple of more units. 

However, you can check to see if your county has a free court records search system.

My ultimate goal would be to appear in google results when people search about topics relevant to what I do.