省到累積：Bal b/f TW$57,768 +早餐TW$32 +午餐TW$32 +晚餐TW$32 +當天用膳共少於96台幣可得TW$32 +不約人用膳TW$32
https://youtu.be/1gwWlQLdyNM?si=aUK4QwzW-0UMgKnk
省到水電：Bal b/f TW$26,645+TW$365=TW$27,010 Bal c/f
https://www.stheadline.com/food/3435470/%E7%B1%B3%E8%8A%9D%E8%93%AE%E6%AD%BB%E4%BA%A1%E4%B9%8B%E5%90%BB%E5%86%8D%E7%8F%BE%E8
1º. 得不償失 2º. 不一定差