I know how it feels when you are not that familiar with crypto and don't know how to read the charts and how to trade properly and get your profit.
The best way to increase the quantity of your bitcoins is to invest them in various altcoins and trade it back to bitcoin. Trading is one of the main ways to earn bitcoin but still, you need to learn how to use technical and fundamental analysis when conducting your trades.
Keep yourself updated on the news. Hodl your main assets and never sell those in dip. Patience is the key to success.