How much should I spend on a 30th birthday gift?

At 30, most people have enough stuff. The gifts that land are either quality upgrades to things they already use, experiences they'd choose for themselves, or specific items that show you've been paying attention.

Friend: $60–120. A really good bottle, a piece from a brand they wear, a serious cookbook plus an ingredient kit, or a contribution to a group experience.

Close friend or sibling: $120–250. This is the sweet spot for an experience that beats a physical thing — a tasting menu booking, a weekend escape contribution, a high-end class (cooking, wine, ceramics), or a major quality upgrade (knife, headphones, luggage).

Partner: $200–500+. Specificity beats spend at 30. A planned weekend away, a piece of jewellery they'd actually wear, or a real upgrade to a daily-use item (watch, bag, espresso setup).

Group gifts unlock the most leverage at 30. Five friends at $50 each = a $250 experience voucher that none of you could justify alone.

Avoid: anything that leans on the 'dirty 30' joke, novelty over-the-hill items (you're nowhere near), and generic homewares unless they've explicitly asked.