I still don't see the point of spending Bitcoins. For me this is just a good investment.
If you don't have cash, only have Bitcoin on the pocket, pretty sure you will buy some food with It.
just that i havent seen any reliable platform to invest my bitcoin, and i will be very glad to know where i can
Be careful do not to invest in the wrong place, you can see
here a lot of Ponzi scheme investment. In your first sentence, having bitcoin on your wallet with your own private key is a good investment.
The most urgent issue for me is how to earn Bitcoin now.
Buy it on an exchange or earning faucet.