When I started my career as an online earner, I also faced many challenges. This also included criticism from people who always criticised me for opting to work online. However, not paying attention to critics is something that you really need to do if you want to gain progress and momentum.
What other people have to say about how you make your money doesn't matter even for a second. The only thing that matters is that you work and earn money. The same money is more than enough to take care of all your responsibilities.