Mrs Darnell is remiss. If you can't 'art' it's a doddle:
1) Two cans of paint - one red, one black - and a canvas... Mark Rothko did quite well. Or failing that:
2) Any old cans of whatever coloured paint you like, a canvas and a bicycle... Jackson Pollock. Or:
3) Trash your room, sell it Charles Saatchi for £250,000 and voila! Tracey Emin - who is now a member (and a professor) of the Royal Academy.
The latest 'thing' are NFTs (Non Fungible Tokens), which let you sell non existent digital art to morons for a fortune.