Why "set a limit" isn't actually a complete instruction
A spending limit sounds unambiguous, but in practice everyone quietly fills in their own version of what it means. Does the limit include wrapping paper and shipping, or just the gift itself? Is going moderately under the limit a thoughtful choice or does it read as not trying? Is the limit a target or a hard ceiling? None of these questions has one universally correct answer -- the problem isn't that the group picked wrong, it's that they never actually discussed it, so each person answered it privately and differently.
Decide what the limit covers before anyone shops
A limit that only covers "the gift" leaves shipping, gift wrap, and any card or tag as an unstated gray area, which is exactly where the ambiguity above tends to live. Deciding explicitly whether the stated limit is meant to be all-inclusive or gift-only -- and saying so in the same message that announces the limit, not left to be inferred -- removes the single most common source of "wait, I thought that counted."
Under the limit isn't a problem -- unless the group hasn't agreed on that
Some groups genuinely don't mind a thoughtful, low-cost gift that comes in well under the stated limit. Others read it as not participating fully, even if that was never actually said out loud. Neither view is wrong, but a group that hasn't aligned on which one it is will end up with some members quietly judged for a gift that was, by the letter of the rule, completely within budget. Naming this explicitly -- "the limit's a ceiling, not a target" or the reverse -- heads off a specific, recurring source of unspoken friction.
The person who always goes over, and what to actually do about it
Almost every group has one person who treats the stated limit as a suggestion. Confronting them individually tends to feel more personal than it needs to; a better fix is usually structural -- stating clearly, to the whole group, that gifts noticeably over the limit put the recipient in an awkward position rather than a generous one, since the whole point of a shared limit is that no one has to guess whether they under- or over-gave relative to what they'll receive. Framing it as protecting the exchange's fairness, rather than criticizing one person's generosity, keeps the conversation about the system instead of about them.
A one-message announcement that covers all of it
State the limit and whether it's inclusive of wrapping/shipping or gift-only · state whether going under is fine or discouraged · state whether it's a hard ceiling or a loose target · set the exchange date and reveal method (drawn names, in-person swap, anonymous drop-off) in the same message. Answering all four questions once, in writing, before anyone shops removes almost every source of exchange-related friction in one pass.
White Elephant has its own extra layer: the steal rule
A White Elephant exchange adds a second decision the group needs to align on beyond the price limit -- how many times a single gift can be stolen before it's locked, and whether the person who opens first is allowed to steal on their next turn. These rules genuinely vary by group and there's no single correct version, but an exchange that starts without everyone knowing the steal rules in advance tends to produce more confusion mid-game than a poorly chosen price limit ever does.
Funding your own contribution ahead of the exchange
Because the exchange date and limit are both usually known well ahead of time, the gift-exchange contribution is a good candidate for its own small line inside a broader holiday gift budget, funded gradually in the weeks before, rather than an unplanned purchase squeezed in during an already-busy shopping week.