You have my respect mate, how about someone who has made 80% of their invested money back already? Does it make sense to sell their GPU right now or keep mining through the bear market?
It doesn't matter how much money you 'made back' on your equipment; that would be a sunk cost fallacy. What does matter is what you can do now with that equipment. You can keep mining or liquidate at any time.
It's impossible to time the market perfectly, but you need to predict what is better: losing 2-3 months of profit, or buying back the equipment at half the price.
I'm pretty sure 2-3 months of mining even in today's market will never give you 50% ROI. That's why my strategy is to sell the rigs in May, then buy new equipment in August.
Good advice, in my country it's hard to buy graphic cards and ship because the cost of shipping is insanely high, I can't sell my GPU and buyback months later because shipping in just 5000$ worth of GPU will cost you an extra 1000$, it's like living in a zoo here lol 😆