Re: What would be the best way to get through customs at an airport with your Btc?
write down 12 seed phrases on your t-shirt's label tags
Good luck explaining to the armed guy at customs why you wrote "armed assault monkey" on your t-shirts 
You see what I'm going at Who is going to read this in the airport?
Keep in mind that many t-shirts have it inside in the middle part of the the body.
It still carries a certain amount of risk. What if your luggage gets lost or stolen in the process? You could lose access to your wallet and funds. Hopefully, you should have backups in safe locations, but then youre back to square one.