Better maximize cash by diversifying and considering other investment instruments in the market. Know your investments and identify which are for short and for long term. Ideally, cryptocurrencies are built for both short/long-term as their highly volatile value has the potential of earning high profit margin in a relatively shorter amount of time.
I am still acting cautiously at this time, I was once trapped in a big purchase at the time and suddenly the market was down, a new hike a few days and this still I don't believe
Only invest the amount that you are willing to lose. With the growing price of bitcoin, you may want to consider doing day trading. Purchase some bitcoins and sell them at the price higher than the initial price you bought them. Do this in small batches and accretions but it is essential that you cannot hasten the process as the risk is directly proportional to the rewards.