collect military equipment, become rich!

[Fire-medic]

Here's something I bet surprised the new owner:
https://bearingarms.com/bob-o/2017/04/09/guy-buys-tank-ebay-finds-2-5-million-gold-hidden-inside/

"Open my diesel tank for a big surprise!":eusa_dance::eusa_dance:unk::clapping::surprise::thumbs up:
I hope it's true.