While many star notes are actually quite common, they become highly collectible and valuable if they come from a low print run (under 3.2 million, or sometimes under 640,000 for extreme rarity), feature fancy serial numbers (like radars, ladders, or solids), or are part of older series currency.
Tell you how to check if a star note is from a (using a Star Note Lookup tool). Note: rare_84
Because they are not produced regularly, they are a "rare" treat to find in a standard bank teller strap of $1 bills. While many star notes are actually quite common,