There is no perfect combination or solution in trading and investing. Even this example of buying 1 BTC for $3,000 and selling it for $8900 can only be done in the past tense. It is enough to recall the mood of the market when the BTC price fell and reached $3,000 and there was no certainty about what awaits us next, many sold at $3,500 in order to purchase at $2,600-$2,800, but the price did not drop to this level. Any investment is a risk, but investing in cryptocurrencies is a game of chance that we all play.