Give it away for free then sell it for $999
yes they can
To sell modern art online, create a visually appealing website, use social media, engage with potential buyers, offer secure payment options, maintain a strong online presence, partner with galleries, build a mailing list, and use digital marketing to promote your unique artistic perspective.
eBay
In the meantime there are several different options in order to sell arts online. Some examples include "Art Brokerage", "Craigslist", "Etsy", "BuySellArt" and "ArtFire".
There are many companies worldwide that sell some of the finest art pictures. Many can be purchased online or on an online auction site such as Auctionata which lets customers bid for their favourite art work pieces.
Art supplies can be purchased online from art suppliers but also from Amazon and eBay. These stores all sell art supplies including pastel art supplies.
Art Deco clocks can be purchased from many different online stores. Some examples of online stores that sell these clocks include LampsPlus and ClockStyle.
Wayfair sell a range of metal art one can purchase online including wall plaques and sculptures. One can also purchase from Fine Art America, ebay and Amazon.
There are many companies that sell original art. The best place to look is at your local art gallery. Failing that, you can try auctions. If you cannot get to an auction, nowadays you can easily bid online or via telephone.
There are a number of websites online that sell pencil art and drawings. These include: the chive, fine art America, pencil arts society, and jdhillberry.
"Some of the stores that sell Klutz window art include Kmart, Walmart, Barnes and Noble and Powell's books. Klutz window art can also be found online at Amazon, Kidzworld and Klutz."
I don't live in Singapore, but I assume you can sell them at art markets and fairs. Also, you can always sell them online at sites such as Etsy and eBay.