they do make portable tanks, but not ideal. 

You might get more out of adding a portable crib.

Its portable, and does not need WIFI, only power, so once I get the place repaired and rented, I might move the whole system to my next vacant property.  

The complex does not have central air and previous tenants were using portable AC units that we’re sitting in the window.

I don't know AZ landlord/tenant laws, however this approach is very pragmatic:On the day you do your lockout, be ready to execute this plan:1) Your or your trusted rep meets sheriff or equivalent at date and time of lockout 2) Do a videotape of each room and make written notes as to contents, valuables (if any), debris and damage3) While you remain inside the property (important) your locksmith changes locks and secures4) Your "student mover" types move contents for further sorting and inventory anything of value. 5) You may wish to have portable storage (PODS) delivered for large item storage and then moved offsite.The main objective of this is to plan out in advance so that your rental is not held hostage while your rent-stealing tenants get their act together.

You can get some business cards and drive your area, look for houses with dumpsters, portable restrooms, under large amounts of construction, etc. 

I have a portable power generator that has a 60Amp NEMA 14-60 receptacle and I need to connect that to a transfer switch with a CS6364 type socket.  

-Switch your extra income over to something that is portable. 

I do have a separate G drive where I save portable files of my desktop version then my bookkeeper saves it there, then she copies it twice a month on a separate folder that is shared with my accountant and me and my bookkeeper.

I would listen to more of these if I could have them on a portable device.