$BTC - Pay $100 to include a tx in the next 1 hour

$SOL - Pay near $0 and it's a coinflip if the tx even goes through or not

$ETH - Pay $40 for a guaranteed tx that could take anywhere from 30 seconds to 30 minutes to confirm

$INJ - Pay $0 for a guaranteed tx at 0.8 seconds on a chain that has never halted