If you are rich enough to pay half a million for a condo that you will leave empty for six months a year, then you won't have any problems when it comes to buying in the US. If on the other hand you want to rent it out for the six months you are not here, then yes you will find a big anomaly. Not all property is zoned for short term rental. In fact most is not zoned for it.
Let me give you a word of warning. It's not hard to find companies in Australia, Canda, the UK, and lots of other places who "specialize" in helping their countrymen find a "good investment" in the USA. Be wary of such an offer. Pick an agent who lives here and can really help you find a bargain without any hidden agenda.
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