Usually a solid place to find art supplies best to look around to fine the true deal there mini sets of watercolors are my personal favorite
Watercolor Paints | Paint Sets & Paint Tubes
Try searching low to high along with checking reviews that’s how you find good stuff for cheap
Watercolors
Five below is great for cheap quality paper/sketch books
Five Below
Usally instead of going to the art section cheap the office supplies for cheap but effective pens especially if your left handed like me and need it to dry fast
Pens in Office Supplies(1000+)
I love going to Walmart for big packs of mechanical pencils there cheap and usally bic is good for it’s price
Mechanical Pencils in Pencils & Pencil Sharpeners(1000+)
I find heavy body last me longer if like me your lot really sparing with your acrylics
Heavy Body Acrylic
Amazon is great way to find decent large brush sets I’ve ordered many myself
Art Paintbrush Sets
I love using this for not only gluing things down but a sealer you can also use Elmer’s glue and water to create a substitute last minute
Mod Podge® Decoupage Formulas & Tools
Cheaper than copic but still good quality and budget friendly and still be a little bit of a splurge but not bad highly recommend