I would say a better option might be to talk to you bank about getting you some "deposit only" cards for your tenant. 

In reference to this per say a tax sale was overturned in such instance, would the cost paid by the new buyer at and as of the “judicial tax sale” be refunded? 

I would say a basement filling up with water in the middle of the night qualifies as an emergency.

6.Tenant DamagesIf the tenant calls and says the bathroom tub faucet doesn’t work and you need to come out and fix it, and you know you just installed a new kit just before they moved in a week ago, what do you say?a

Here is what I will say. As

Looks like it was fixed up for a flip, so it's just about ready for a tenant.It would pull in $1350 in rent.Unfortunately, it has HOA dues of $275/month.Please rate this deal as is, say a 3 out of 5?

It is not illegal for a landlord to advertise (let's say) a "one bedroom place for rent, perfect for two people" for $400... and then demand more rent if three people will be occupying it (unless the third is their child).  

Because of their size, their gut isn't as 'streamlined' as say a normal weighted person.And because the gut isn't streamlined, they have to 'manipulate' the waste through themselves.And this involves them rocking around on the toilet, trying to push the waste down a largely compromised bowel.

What I'm referring to is that if you buy a property in all cash with say a 7% Cap Rate that money that money is better invested somewhere else if we're talking return.What makes real estate such a remarkable investment is the leverage that you can use to achieve very good cash on cash returns.

Obviously not practical in say a 50 or 100 unit building, but in the 2-4 unit range, its doable.