We are a a progressive tax system. It is always worth it to make more. People need to stop making this statement because it’s essentially an old wives tales. And it’s not so much about you but just I see this comment far to often.

As to the money yes ESPP programs are always free money and you should always max it out if you can afford no access to that income for the 6 month period. I just autosell it. Only time in your life besides, 401k match, that people will hand you free money.