BTDT several times with no issues whatsoever.
FWIW: I recommend you use a reputable handler for your first trip so you learn the details of each countries advanced notification requirements. After that you can decide if you want to do them on your own. I will advise you that for Customs & Immigration issues the US is probably the WORST 3rd world country you will deal with.
You can read about the several trips my wife and I made in my experimental airplane at the ADVENTURES section of our webpage
PuertoricoFlyer.com.