There are many little tips and tricks on how to proofread correctly. I suggest checking this website for further explanation on proofreading tips: http://www.lrcom.com/tips/proofreading_editing.htm

false, they sense what we would call smell with the tips of their feet and they have six feet...

Richar Liuag wrote a book available for download at Amazon called "How to Build Your Own Online Insurance Agency". It is a step by step explanation of everything one needs to know. From licensing to marketing tips.

A synonym for tips, referring to a server's tips, would be a gratuity.

thoughts with their explanation