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 in the middle part of the t-shirt, in the inside part.