system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What tax “loophole” allows rich people to pay less in taxes than middle class people?

Edit: I put loophole in quotations since I know they aren’t loopholes in the traditional sense but instead tax write offs, deductions etc.
gpt
the big one is the capital gains tax vs paycheck income taxes. Rich people make a lot of money from the sale of stock, but that sale is taxed at a much lower rate than income taxes. 

Another is that they can afford accountants who can spend the time to look for deductions, write-offs and other ways to reduce their tax liability.