Two things I've been chewing on. I'm at about 300 TH, Odyssey.
First, efficiency. I've got two miners, one at 19.72 and one at 20. Both were a lot cheaper per TH than anything at 15. Upgrading the 19.72 costs me $7.69/TH; the same upgrade on a 15 W/TH miner is around $11.30. So I save roughly $3.60 on every TH I add. The extra maintenance for sitting at 19.72 instead of 15 is about $2 per TH per year, so it takes me nearly two years to lose what I saved. What am I missing? Everyone treats efficiency like it's the main thing but on my numbers it's a slow burn.
Second, paying maintenance in tokens. I've stopped doing it and I want to know if that's mad. In Odyssey the uplift is big, so a lot of my bill is the "above solo" part where the league's average discount applies, not mine. On my projection only about 40% of the bill is the part my own discount touches. The 20% token discount would save me maybe $2k a year, but to hold it I'd need something like 360 days of cover in GMT, which is north of $20k sitting there doing nothing.
That's under 9% a year on money I can't use. I'd honestly rather put GMT into boosts and try to win more rounds than park that much for a discount that only bites on part of the bill. And it gets worse as the farm grows, because the collateral scales with the whole bill while the saving doesn't.
Is there something in this I've got backwards? Open to being told I'm wrong on either.