It's kind of strange that you said you have 55 days to purchase.

It seems strange to me being that Vegas is one of the fastest growing cities in the country.

Will be a strange few weeks of isolation. 

And then they told me they were on their way to drop off a deposit but someone else beat them there so the apartment was rented to them... which sounded very strange.

No you can't discriminate based on one of the protected classes but you also don't have to approve someone and let them live in your home just because they meet the criteria but have already made strange requests, been rude or whatever it may be.

It seems strange that you have been in business for 10 years and do not know your state landlord tenant regulations.

I would feel strange as a tenant knowing my landlord can watch me come home every day.

She harassed us CONSTANTLY with strange requests during this time period. 

This property was converted some years back from a single family to duplex, hence the strange basement access. 

That's strange.