Do what you know. There are many programming languages out there on the market. When you do freelancing, you should remember that clients pay you to solve problems. You are not paid to learn new tools and languages. It is always good to expand your programming skills to learn other languages. However, you should only bid for the job that you are confident with.
What It Is: What better way to feed your travel bug than to work as a remote travel agent or consultant? Whether part- or full-time, spend your working hours dreaming up itineraries, flight plans, hotels, and activities for clients looking to travel far and wide. Then, take advantage of your discounts (hey, perks of the job) and go wherever your heart desires, whenever your heart desires.