I used to push  more for estoppels, but I find that most attorneys and/or owners simple forge them or give them to you incomplete at closing.

I suspect that most are very similar, but obviously you will still want to study the state specific portions for the exam and take some state practice tests ahead of time.

Depending on the state laws, your tenant may not be able to get rid of his guest at a later date without going through an eviction -- would be good if he knows that ahead of time and has the tools available (ie guest being a subtenant, not a "regular" tenant). 

Why inconvenience the tenant because someone you are in a business relationship is doing things to push your buttons?

It can be exhausting trying to get this information yourself via the internet when so many "sources of information" offer conflicting reports or just blatantly try to push you through some sales funnel without bothering (or caring) to address your actual concerns. 

Areas where schools are terrific are always in demand, and you can buy something that cash flows and appreciates, without the thought of expensive repairs ahead.

I’m buying a duplex for 55k which bank has already given me go ahead for with 20% down and 4.5% either 15 year fixed or 30 year adjustable after 5 years.

I’m buying a duplex for 55k which bank has already given me go ahead for with 20% down and 4.5% either 15 year fixed or 30 year adjustable after 5 years.

It pushed me to find a new home as soon as possible.

If you want to borrow money from your family, figure out the arrangements ahead of time and get it all in writing.