Common bartering trick is that you don't keep all your money in your wallet. Then you pull it out and say "golly gee, I can only afford to pay X", and you can b

Common bartering trick is that you don't keep all your money in your wallet. Then you pull it out and say "golly gee, I can only afford to pay X", and you can bypass some of the back and forth. Similar technique would let the dissident avoid raising suspicion. Keep a few hundos in their wallet, a thousand in a different pocket, rolled up in their socks, stuffed in a bra, etc etc