A large number of ASICs and video cards go on the secondary market when the value of bitcoin drops. To make money, some people put fully built farms up for sale. The Fear and Greed Index often reaches 0 during crypto-winter (the “extreme fear” zone). However, not all miners close their doors because of low lending rates. Other factors, such as upgrades or personal circumstances, may apply to sellers. Experienced market players continue mining until they can make at least enough money to cover their power costs. In this post, we’ll explain why mining farms sell out when they are profitable. Investing in old equipment can be successful.