Here are 20 side businesses that anyone can start while still working a full-time job:

Online store: Start an online store to sell products you are passionate about. Platforms like Shopify and Etsy make it easy to set up an online store.

Blogging: Start a blog and write about topics that interest you. You can monetize your blog through ads and sponsorships.

Social media management: Many businesses are looking for help managing their social media accounts. You can offer your services to help manage social media accounts for businesses.

Dog walking: Start a dog walking business in your spare time. You can advertise your services online or through word of mouth.

House cleaning: Offer house cleaning services to people in your local area. This can be a great way to earn extra money on the weekends.

Lawn care: Start a lawn care business and offer your services to people in your local area.

Photography: If you have a passion for photography, you can start a photography business and offer your services for events like weddings and birthdays.

Tutoring: Offer tutoring services to students in your local area. You can specialize in a particular subject or offer general tutoring services.

Graphic design: If you have a talent for graphic design, you can offer your services to businesses that need help with their marketing materials.

Personal shopping: Offer personal shopping services to people who don’t have the time or desire to shop for themselves.

Freelance writing: If you enjoy writing, you can offer your services as a freelance writer. There are many websites that connect freelancers with clients.

Personal training: Become a personal trainer and offer your services to people who want to get in shape.

Event planning: If you have a talent for planning events, you can offer your services to people who need help planning weddings, birthdays, and other special events.

Handyman services: Offer your services as a handyman to people in your local area.

Virtual assistant: Offer virtual assistant services to businesses and individuals who need help with administrative tasks.

Catering: If you enjoy cooking, you can start a catering business and offer your services for events like weddings and corporate parties.

Car washing/detailing: Offer car washing and detailing services to people in your local area.

Music lessons: If you are musically talented, you can offer music lessons to students in your local area.

Translation services: If you are fluent in another language, you can offer translation services to businesses and individuals who need to communicate with people who speak that language.

Airbnb hosting: If you have a spare room or property, you can rent it out on Airbnb to earn extra money.