If you got lucky with your location to have the cheapest electricity rates then it is advisable to go for mining given the right variety of mining equipment to use whether it is a GPU or an Asic miner with the right choice of the coins to mine then do the combination of the two choices that you've mentioned instead of selling those newly mined cryptos to cut the profit do the art of holding then the market was mooning again that would be a vast return of investments that you would ever experience.