Damn philipma1957 you made me look up the GPUs and I finally bought one RTX 2060 12GB for 700 CAD. Same model but the 6 GB few months ago I paid 1 200 CAD.
Yes the PoS for Ethereum should come in June but I still think mining other altcoins with GPUs will remain profitable event post ETH 2.0.
The problem with staking ETH to run a validator it's because we need at least 16 ETH for one validator on RocketPool it's very expensive. Without running a node you can stake as little as 0.01 ETH on Rocketpool and you pay fee between 5 to 20% to the node operator but the actual % APR is just around 4% and the RPL tokens APR is around 14%. Mining ETH with GPUs is more around 80% APR.
But if you expect ETH price to go around 12k after The Merge and RPL token around 500$ then it will become really profitable to stake ETH but for now we have to be patient.