Or, just get a $30 access point and hang it off of your current router using a wired connection. Otherwise, stick to using a wired connection wherever possible. You pay for Fiber service, not LTE :)
Also be aware, some services including Netflix have been problematic a night due to peering feuds. Verizon and the other company at play need to settle their differences and quit making the Internet run worse than it already does for everyone.