How to Close on US Property While Out of Country

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My wife and I are planning a month-long vacation in France and I expect to need to close on a few properties while I'm there. Does anyone have experience with this? I'm a US citizen and close on properties very simply in the states (mostly remote closes since I BRRRR remotely).

I usually get the documents emailed, print out, sign with notary, and FedEx them back same day. I assume my main challenges will be 1) notary process and 2) timing. I can manage the timing by getting the documents early but am aware the notary process could present a hiccup. Can anyone advise on the process for remote closes on US property while out of country? Any other challenges you foresee for which I should prepare? 

Thanks for your help.