No, independent would mean you could cease that source of income and maintain your lifestyle. If you save 50% of your first paycheck and then quit I doubt that would be the case.
Being able to set that much aside would definitely make one wealthy (or live a very austere lifestyle) and fast track them toward independence, but it’s not an automatic qualifier.
Not just the customers, but the “business partners” too! If you want your search results at the top of the list, pay up! Sometimes you even get to pay for your ad to be shown in a context that’s not relevant at all, despite all the data collected to personalize ads!