Create a custom 2D Animated/Illustrated video

We have client requests to make 2D and other animated videos. We are looking to bring to our team an illustrato/ designer can make the videos like the ones below. The new candidate must work quickly and reliably. Our clients are new business so they have very small budgets. Please tell me what you would charge for videos like these: [login to view URL] [login to view URL] Please note that you must have and show a similar reel of work and that to prove you actually created the work, we will ask you to change an element of the work (like a blue wheel to a red wheel) to prove you have the source files. Thanks!