How to Earn Money Online Without Zero Investing?

4. Start an Inbound Call Center – Customer Support:

Many companies these days, facing space problems, especially in metro cities, and now they are preferring to hire inbound call center workers outside their offices.

Sometimes they even outsource certain inbound processes, you can think about setting an incoming call centers that can handle all that inbound call center works.

This will help you in working for multiple companies, that can be a part-time or full-time that all depends on your participation, and on your needs.