There are some financial principles, no matter how common sense they seem, that need repeating. One of those is whether to co-sign. Unless it’s for your spouse, don’t do it. And to prove my point, ...

Given the number of multimillionaires tapped for Cabinet positions under President-elect Donald Trump, I wonder if frugality will soon be considered un-American. Trump rallied to victory in November ...

Ever wondered what happens when you insert a bill into a vending machine? [Janne] is back with his latest project: reverse engineering a banknote validator. Curious about how these common devices work ...