What job would be right for me ?

Hi i am currently unemployed and on Jobseekers Allowance (sorry tax payers) im early 30s in the past i have worked in catering retail volunteer for a well known charity which is how i got my retail experience and paid employment but that was some time ago, I have no qualifications except a CLAIT certificate in computers I live at home with a sick mother and hard working father in my spare time i sing in karaoke or use my computer which i tought myself to strip down and rebuild repair and upgrade and install with no help from anyone other times i am out with friends in bars and clubs or at home watching so what should i do ?