If you’ve got a Chase United Explorer card, you may have gotten an email offering 5x miles on gas, groceries and internet/cable purchases between Jan 15th and March 31st.
It’s capped at $1,500 in overall spend, so your essentially earning a max of 7,500 miles (which, at 1.2 cents/mile, is worth around $90).
Be sure to activate the offer using the link in the email.