给大家带来了满满的购物心得和“防坑指南”！毕竟

The search results confirm that players of “重返未来：1999” (Reverse: 1999) actively seek advice on what to buy or exchange in the various in-game shops, often looking for “priority recommendations” (优先购买推荐), “exchange recommendations” (商店兑换推荐), “shopping guides” (商店兑换攻略), and ways to avoid wasting resources. Terms like “必买” (must-buy), “避雷” (avoid pitfalls/wasting money), “省钱” (save money), and “秘籍” (secret tips) are common in these discussions. Considering these insights, a title that directly addresses saving money and making smart choices would be highly relevant and click-inducing for the Simplified Chinese audience. 重返未来：1999商店购物，这些东西买了才不亏！

嘿，亲爱的神秘学家们！我是你们的老朋友， ...