You can get more Bitcoins by mining and trading. However, if I want to obtain Bitcoin through excavation, I think this is not an easy task. It takes a lot of money, time and electricity to dig, and the cost of electricity will be high. I think the deal is more suitable for me.
you have valid point here about mining but I need ad more details on this for mining bitcoin you will huge money to buy rig to make money if you do mine on pc you will not make money instead you will loose your electricity.