If you have the time it's best to stay parttime until your income is at a good level. Of course that all depends on what your current income is and what your needs are for money to survive.
Going full time should give you more time to build every single day and that will result in one more sale a day or more than you have now. In theory!!! Take a look at what it is you do right now and if you did more of it what your results would be based on your current results.
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