https://btc.com/stats/diff
On 1/10/2017 it was 2.41 Eh/s
On 1/13/2018 it was 15.95 Eh/s (562% gain)
On 1/24/2018 it was 18.63 Eh/s (17% gain in 11 days)
So my question being that I'm concerned how quickly my 40.5 Th/s will even be worth running. As pools grow profits are spread thinner and difficulty rises. Maybe someone who's been doing this longer than me could offer some insight? Truly just looking for some feedback but these numbers kind of startled me.
Edit: I'm not panicking, just looking for solid experience from those who've been doing this a lot longer than I have. I'm still pretty new to this (11/2017).
If you believe in $BTC rising in the next few years, you continue to run the miners. If you can't afford to because you're constantly selling BTC to pay for upkeep/electricity/hosting, then maybe it's time to move on. Just my two cents...you can still make bank off selling the s9's.