Don’t waste your money on things you don’t need and low quality products. Here is a list if you are just starting watercolor and want to get good supplies.
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Supplies for Beginners or Regulars
My Art
Amazon
Supplies for Beginners or Regulars
Supplies can seem daunting at first so I will try to keep it simple and focus on paper, paint, and accessories that will get you started
The best paper that can hold water and not buckle
Arches® Cold-Pressed Watercolor Pad, Size: 9" x 12" | Michaels
More affordable than arches and great for practicing on
Level 2 Watercolor Pad by Artist's Loft | Michaels Platform Product
A great starter pallet. This is actually the first one I ever bought.
You will need tape to get those nice crisp borderlines. Be sure to take some of the tack off by tapping it on your clothing a few times.
Beige Artist Tape by Artist's Loft™ | Michaels
You will need this type of eraser so that you don’t mess up your paper when you erase lines
Faber-Castell® Kneaded Erasers - Michaels
Worth every penny for mixing colors
Large Rectangle Porcelain Palette by Artist's Loft
Please check out my art for sale on eBay. These are tiny 3 1/2 x 2 1/2“ cards called ACEOs. 
watercolor_with_g on eBay
Technically not watercolor but great for adding highlights and fixing where the tape fails you
DecoColor® Fine Tip Acrylic Paint Marker, Color: White | Michaels
My ACEOs on Etsy
GianinaMarieArt - Etsy
This is a great starter set but you’ll also want some detail brushes that I’ll link.
Zen™ Series 83 Watercolor Round 5 Piece Brush Set - Michaels
For more detailed work and some variety in your brushes
Necessities™ Synthetic Watercolor Round 8 Piece Brush Set by ...
Not necessary for beginners but you might want to play with this
Winsor & Newton Watercolor Mediums - Art Masking Fluid, 250 ml tube
These were the first tubes I bought and I loved the colors and consistency
Winsor & Newton™ Cotman Water Colours™ 20 Color Paint Set
Because a good green is so hard to find
Daniel Smith Extra Fine™ Watercolor, 5mL, Color: Sap Green
This is a great smaller pack if you only want a few tubes
Winsor & Newton™ Cotman Water Colours™ 10 Color ...
My favorite paint set that discovered on TikTok. I will link their brushes and paper too bc they are phenomenal
Watercolor Paint Get it now
You have to trim these down if you want to make ACEOs but the quality is equal to Arches
MEEDEN 4x3" Blank Watercolor Paper Cards, 50 Pcs
My Art
eBay and Etsy sites where I sell ACEOs (like baseball cards but for art)
My watercolor ACEOs
ACEO stands for "Art Cards, Editions, and Originals." They are tiny, collectible artworks measuring exactly 2.5x3.5 the same size as modern trading cards. They can be created in any medium or style—such as painting, drawing, or p...
watercolor_with_g on eBay
My Etsy (although I post most on eBay)
GianinaMarieArt - Etsy
Amazon
Most of the recs are Michael’s but I figured out how to link Amazon if you are a prime member and want stuff fast!
Arches Watercolor Pad Cold Press 9x12 12 Sheets
I think these hold water better than Arches (don’t come at me)
MEEDEN 4x3" Blank Watercolor Paper Cards, 50 Pcs
These tubes are great! Let them dry in open air ceramic palettes and then just rewet them when you’re ready to paint again. Never toss paint 🎨