We don't know yet. Probably the bitcoin price will skyrocket again and you will get break even or even can be able to get extra profits with your current miners. If mining business is still profitable, more resources will be put into this industry.
Exactly, I would also wait and see. Mining is full of uncertainties and it will be even more uncertain with the halving that approaches. Mining market dynamics are changing very fast and you can easily lose a lot of money if you make a bad decision.