You're unlikely to do well generating passive income. The profit is going to go to the person running the WP theme site or whatever. There's plenty of work doing small business websites, though. Certainly it beats helping English majors try to recover the only copy of their thesis in the computer lab like I did in college.

Send me an email with samples. I know people in need of someone on the technical side (sales, customer service and graphic design they already have covered).

Web developers are a dime a dozen. Competent web developers are harder to find.