Sincerely, i haven't regretted anything since i ventured into the cryptocurrency space becasue most of my coins are sold in profit. Am such that don't want much huge profits as others, most of my profits taking ranging from 6-20% and not just waiting for some pumping before sold. It's better to hold on a long-term in this industry, than just holding on a short-term becasue this could be dangerous and lead to big loss. But if you sold on profit then nothing to regret about frankly speaking.