My main concern is whether it's hard to meet their criteria for properties and secure funding.

As mentioned the main downside to using a SDIRA to purchase properties is you get no tax benefit upside (depreciation) and have to pay taxes on UDFI.

I’m mainly concerned about the rate change happening without prior notice, especially since both loans started and are closing on the same day.I’m scheduled to sign tomorrow and close on Friday.

It's my understanding that the city is responsible for all the piping up to the curb stop in my front yard and I am responsible for the curb stop to my property.Yes from the water meter to the house is generally the owner and from the main line to the meter is generally the city.. 

The main issue is land... or lack-there-of.

They used to be marketed with all of the other homes on the main search page, but a user had to go into the filters and specifically select the "FSBO & Other" tab.

Mainly how or if you offer them at your STR.

There are many folks, including myself, in this forum that can help and the more info you can provide (mainly numbers on the property), the more we can help you.

@Brad Smith One main way is picking up the phone and forming a connection with the different reps.

As you know, I'm probably the main proponent of the great investment opportunities Mexico offers on this site and I will help and support anyone who wants to take advantage of these great opportunities.