If we have purpose to increase amount of BTC we should trade that BTC with others altcoins, this way is risky so we should be carefull and make better prediction when time to buy and how many percentace of profit that we should be take it. We can see every day some altcoin become the biggest gainer. So trade BTC with others altcoin is way to increase BTC, and do not forget use stop loss to avoid big loss from altcoin crash.