Tip #2 Buy a big refill bottle of hand soap.
Walmart makes 3 different kinds available in a 64 oz bottle. You can purchase the smaller Softsoap or Dial hand pumps and simply refill them. Softsoap usually goes on sale for $1 or less and often times there are coupons available (and if your store doubles you can get these for close to nothing!) Some people really prefer the Bath and Body Works anti-bacterial soap (I enjoy these too, but rarely purchase them for us to use on a regular basis). These frequently go on sale for 4/$10 and there are usually BBW coupons available for 20% off a single purchase OR a free product with a $10-$15 purchase. My frugal advice would be to stock up on these soaps when they are on sale and use a coupon to save even more money or get a free lotion/body wash/candle/etc to use in the future.