Some good ideas for starting a new Online Business as you want to do something like that to earn some more many for yourself are as follows:

SEO consultant

Business coaching

Specialized retailer

Social media consultant

Web design

Resume/cover letter writing

Professional freelancer

Affiliate marketing

Health/nutrition coach

eBook author

Remote technical support

Virtual consignment store

Handmade craft seller

Teaching online courses

App development

E-Commerce Consultant

E-Bargains

Genealogical Researcher

Information Consultant

Internet Trainer

Online Art Prints

Online Children's Camps

Online Contract Forms

Online Diet And Fitness

Online Entertainment Coupons

Online Recycled Renovation Products

Online Franchise and Licensing Opportunities

Online Contractors Directory

Online Spokesperson Directory

Online Trade Show Directory

Online Vitamin Sales

Public Opinion Service