Yeah, most of my collection falls right in that budget range! Just pulled the Three of Pentacles this morning about collaborating on a tight budget, how fitting, right?
My go-to affordable decks that have held up well are the Everyday Witch Tarot and Modern Witch. Both under $15 and the cardstock is decent.
The Dreaming Way Tarot is another good one in that range. I also got the Mystic Mondays for like $12 on sale and use it a lot despite the low price. The Rider-Waite-Smith is obviously a classic starter that’s cheap, but if you want something with more personality, the Light Seer’s Tarot is usually around $14-15. The colors are nice and it doesn’t feel flimsy. Currently eyeing the Gentle Tarot, which should be in that price range too. Been on my wishlist for a while, I like the watercolor style.