Establish long-term relationships with them.My career has been a wild ride of experiences and oh-so-valuable lessons.

it's difficult from the get go. 

Holding RE till death is always great in theory but reality makes it so much more difficult.   

BRRRR is extremely difficult but you have lots of control. 

It often takes months to get your properties posted, and getting in touch with the Tampa Housing Authority is embarrassingly difficult.

When going incognito on booking platforms, our place is really difficult to find.

No, as I mentioned I have LTR rentals but it's becoming difficult to keep buying these when I don't get any immediate tax benefits from them, I've bought two in the last 2 years and had to put out a bunch of money to get them ready, etc and not one cent of that is a writeoff for me until years in the future when I actually have passive profit, meanwhile I live in a high tax, high COL state.

Exterior work is difficult from Mid November through late March, but most of it can be done besides painting.

If you’re looking to scale, then it can be very difficult.

Last year, the city required a bank statement, which was not overly difficult for me to produce; however, this year the city of Chicago required either a homeowners exemption or a state license showing the exact address and unit for the listed AirBnB.