If I arrive on March 1st and find the property vacated (cars gone and it's clear the inside was cleared) am I permitted to change the locks and take possession?

A lot of bookings were last minute (several same-day arrival).

This is the ultimate reason why the bottom will come and go without most capitalizing on its arrival.

Fly to the US, and sign it in person with a mobile notary (wet signature)Going to the embassy is not an option since getting an appointment over there can take months...I had a thought which I spoke with fellow investors, to sign the documents with an Israeli notary and then get an Apostille stamp. once I have it all with a wet signature I'll mail the documents with DHL/UPS and it will arrive by the lender/title company in 10 days.As far as I know, a notary signature with an apostille stamp is valid for every legal document almost all over the world...What do you think? 

Only received about 5 applicants so we brought it down to $1800 + $150 utilities The tenant will arrive in January!

If you ask nicely MAYBE you can ask the Sellers if furniture can arrive and be put into the garage.

Reason and diplomacy dead on arrival?

Guests want to arrive to the space they were sold.

So she arrived at the property with a group of people, while I was there, and initated an altercation over all of this. 

This amenity has attracted numerous buyers investing in million-dollar-plus villas arriving in private jets.