Instead of ruminating over such thoughts just dive in, you'll be fine.
. there is lesser or no risk in Bitcoin compared to other crypto?
At current btc prices, it's pretty much sure-fire profit if you buy now. Once bought, you must secure your btc. That is hold your btc into self-custodial wallet like
elect rum.
Remember to keep your private key/seed phrase safe. Write down on paper, encrypt it and keep it on cloud.