I'm going to get a USA-secured credit card this year to start building my credit score, but does anyone have any advice as to what I can do to get started if I'm going to be in the UK until im 22 or 23?

The area has certain advantages like shelter from regulation risk (pretty much as low as anywhere in the country if you buy in the approved STR tourist zones) and long term security (people aren't going to stop going to Orlando anytime soon). 

As of this week we have secured the land.

Social Security also has a consent based ssn verification process where a SSN can be verified with the parties consent.Again, we can never be 100% full proof but we can stay on top of the latest ways to mitigate the fraudsters at their game.How are you catching fakes?

A “syndication” is almost always a capital raise for the sale of a security/investment.  

Here are some key elements to include:Lease Agreements: Ensure your contracts reflect the latest laws, such as notice periods for entry or rules around security deposits.Fair Housing Compliance: Familiarize yourself with federal, state, and local fair housing laws to avoid discriminatory practices.Property Standards: Regularly inspect your properties to ensure they meet safety and habitability standards.Tax Documentation: Keep accurate records to comply with tax reporting requirements.4.

I got the Discover It Secured card in high school and used that to build up my credit. 

The second one to build a security net.I've simplified the deal a lot but... am I missing out something obvious?

IN these cases they took title sub to from the sellers .. ( but in the case your describing its the same thing you have a senior note as most investors will want security) they then sold on contract to buyers with small down payments and credit challenged or income challenged and they did about 30 of these in a year or so.. worked hard at it..

You shouldn't need her social security number to file for eviction.