Today only until 10 pm ET, eBay cuts $15 off orders of $75 or more sitewide via coupon code "PSAVE15NOW" when you check out with PayPal during its Flash Sale. Coins, paper money, eBay gift cards, and real estate are excluded. Other exclusions may apply.
Note: The coupon can be used once per PayPal account within a single transaction (or cart), while supplies last.
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.