The direct way is usually the easiest way. That is: buy and sell art.
How do auction houses work? - Quora
Quora
What role do you think auction houses play in preventing the sale of counterfeit items in their auctions? - Quora
How does an aspiring historic art collector with several thousand dollars saved find pieces to bid on to start their collection? Most online auctions seem to have ended already. - Quora
Are auction houses required to have certificates of authenticity to accompany their art consignments? Shouldn't this be required to save buyers from fraud and deception and getting fakes? What's the best practice
What role do you think auction houses play in preventing the sale of counterfeit items in their auctions? - Quora
How do collectors establish relationships with auction houses?
Quora Contributor
Why do people buy celebrity garbage/trash/throwaways at auction? - Quora
What is the record for the highest selling price of a camera at an auction house like Sotheby's or Christie's? - Quora
Quora Contributor