Form a business. Many, many things are deductible. From Rich Dad Poor Dad:

Businesses

1. Earn money
2. Spend money
3. Pay taxes on what remains

Individuals

1. Earn money
2. Pay taxes on all of it
3. Spend what remains

Also, if you structure it right, passive income (as defined by the IRS) is not taxed. Keep in mind you have to set things up correctly to use depreciation and debt spread out over years and you can avoid most or even all taxes.

lots of ways. Claiming a ton of dependents (listed below) is just one way to start.

Seek and ye shall find.

I've found, most people don't want to put in the effort to learn. You've got to know who you are, what you're doing and how to defend yourself against ignorant and unscrupulous actors.

Once you know, it's all simple.