Note the € sign - it’ll be nearly as expensive and you’ll only find 2-3 flavors if you’re lucky (US expat in NL)

Op: Brew your own tea and make your own. Or reduce it by half and add it as a concentrate to fizzy water if you need the bubbles. Also, equal parts sugar and water, low heat in a saucepan until reduced by ⅓-½ and you’ve got sugar syrup. That lasts in the fridge forever, and you can make it as sweet or not as you’d like.