yeah its not only immigration that have not a good organisation, its all public services that are and nothing is done to improve. is it because they do not mind, is it corruption, is it a brain reason (!), all the country stay retard for an unknown reason (hem).
Happilly population are very friendly and tolerant in the country.
your pension can stay in your country, do not need to back home, just open an account with netbanking and when you need money in TH transfer it to your TH bank account. easy.