6. Before commenting on a hot topic, at least familiarize yourself with the basic. Like how the marginal income tax works. You don't have to be an expert, bu

6. Before commenting on a hot topic, at least familiarize yourself with the basic. Like how the marginal income tax works. You don't have to be an expert, but at least skim the wikipedia page. 7. Avoid bold, unambiguous statements that are easily checkable, unless you've triple-checked them. It's trivial to map taxable income and what a tax plan will cost you, and saying "this policy will cost me $10,000" is pretty bold and unambiguous.