Perhaps they are difficult to deal with.

@Titus MeisenheimerTaking your real estate investing ventures global may be both thrilling and difficult.

,To piggyback off what @Michael S. said, you’ll find it pretty difficult to find a decent property in Huntsville proper on a $250,000 budget.Don’t worry, though—in nearby suburbs, your budget will work fine.

Realizing that he wasn't going to make it in the medical field he sought out alternative careers. 

It also would be very difficult for a court in the US to go after an investment made there (since in the US people sue other people for no good reason) Financing is an issue there.

I'm only looking to be a part-time agent as I already have a career in another field, where my time is spent M–F. 

To answer your last question, self management is possible but most people have no idea how difficult it is to self manage a truly successful STR with 60-70% occupancy.

I know a paraplegic who, after literally loosing her entire life to a drunk driver, looked at what she could still do an reinvented herself building her mind and forging an intellectual career.

This is why MHPs with homes attached are so difficult to market. 

Information is readily available, and I understand it can be difficult at times to discern the trash, the selling from the substance.