Absolute scam... lenders don't beg for up front fee's  crooks do.. watch American greed when its on TV  you will see how scammers work..these are nothing more than variations of the Nigerian scammers send me money there is 20 million sitting in the bank I need your helpor the one on 60 minutes were they send you fake cashiers check saying you won sweepstakes.. these guys are world class scammers working out of country..

Wondering if it is all a scam or I'm just impatient.Thoughts?

Then you'll need to explain that the Zestimate itself is inaccurate and is just a scam to collect homeowner data.

If there is no logical reason, it may be a scam.

Murphy exemption" (web search it).Your best bet is to consult a local attorney whom can advise you of your options ("reasonable accommodation" if another tenant in the building is highly allergic, lying on application to disqualify, etc.)Unfortunately, most ESA letters are scams, which marginalizes the legitimate folks.

I have a potential buyer who (I do not who is he), although he is interested to buy the property, and he just send me the Purchase agreement for me to sign it.In order to prevent a scam what are the actions and/or information I need to ask to assure a smooth transaction?

Yep, scam.

it seems like such a scam of a website. haha maybe because I am not familiar but you haven’t had any issues?

I have not look at PIP's track record but there is google things that say PIP scam.. not sure what that is what I heard is they sell a bunch of tax certs that end of being worthless again just what I heard on BP.. not making accusations so please don't sue me for slander.. its just what I heard.. 

Anchor is for real. if you qualify and your property qualifies they are a for real lender.Just like in your neck of the woodsVisio is very good I get payoffs from themLima one I get payoffs from themLending home sometimes I get payoffs  but they are for real.Lendingone is for real.Peak in KC is for real.Conventus in SF is for realand of course NOrris in Socal is for real.etc etc..I just hate to see these folks get scammed by the fake lenders and get ripped of for the 500 bucks or so these fake lenders try to get out of people.. offering terms that don't exist and the borrowers are too green to know they are not real..