Fat-Mango via eBay continues to offer this Folding Credit Card-Shaped Multipurpose Knife in Black for $1.99 with free shipping. That's tied with last week's mention as the lowest total price we've seen for such a credit-card-shaped folding knife. (It's also a low by $1). It features a stainless steel surgical blade and built-in protective sheath.
Most taxpayers will see their tax bill go down during 2018. That could impact which type of account -- traditional or Roth -- makes sense for you.