Yes, you can start BTC investment with a little capital, but make sure you have the knowledge of BTC before investing the small money because there are bull market and bear market which investors use to take advantage of them to earn profit from the investment, which you can also earn profit if you know what you are doing. As a newbie in the industry, invest what you can afford to lose in BTC investment, Incase your plan get bad or fail you because BTC is unpredictable but there is no how you will invest in the bear market why you will not earn profits in the bull market.

Hope you are not buying BTC now? And if you look at the market price at today, you will know that bull run is still on ground, because the price of BTC have pump higher to favour those who are still hodling till this week.