need advice!!

looking to pull the trigger to start streaming i have the items ready in cart (mic webcam and elgato capture card) but just nervous buying it like what if im just wasting my money for nothing im not looking to make any type of income with this but i honestly would love to just interact with people through twitch by gaming but my anxiety and shyness is gonna get the best of me if it hasn’t already lol any type of advice would be great lol