Finding this information was not easy but after searching I found a forum post that said to use this link and it did indeed set up 2FA for EBay.
https://signinalert.ebay.com/sgninalrt/twofa/onboard?clk_rvr_id=1320452358102&rmvSB=true
Logging in to EBay, I receive a text message and must enter the received code to log in to EBay.
Two factor authentication depends on something you know (your password) and something you have in your possession (your phone) to thwart hackers attempting to gain access to online accounts.
