Not-paid is a script for web designers to add to their websites just in case clients refuse to pay for work. Users simply set a due date for payment and then add the code to the head tag of the site, and once the due date is over the site will become increasingly opaque until it disappears altogether. Check it out.
Think you're worth more than they are paying you? Here are some tips on how to increase your income without working another job. Salary Negotiation 101: How to Know (and Ask For) the Salary You Deserve - https://hired.com/blog/candidates/salary-negotiation-tips-know-your-worth/
Every feel like a phony? Feel like all eyes are looking at you and you're the one who's naked? They found me out! I'm a phony! Guess what, we all are at some point in our life, some more times than others. But the imposter syndrome is quite common, even earning a place in Wikipedia. Check out this great blog post from Scott Hanselman.