I discovered bitcoin when it was about $5 per coin and during that time for several reasons I could not buy it. I discovered eth and xmr when they were around $10 per coin and I could not find a good place to buy them. I discovered netko when it was about $0.05 and I could not get the wallet compiled. I probably had around 40 bitcoins and cashed them all out under $800 and I could name more.
You?
The biggest regret for me in cryptocurrency is when the time i am new in cryprocurrency world where in i have a token that i received in my first bounty campaign that i have joined and i sell it immediately even the price of it is low , then after a day or two its value goes high and it got tripled in price when i sell it , i learn a lesson from that day on.