Looks like the deal expired even though the site still shows $5/mo
Not sure if this is posted
on the first screen banner click "Save 50%! Get the Annual plan for just $5/mo"
and then on the next screen click "Signup and watch now"
link to sign up https://www.sling.com/cricket?plan=annual
Note: If you have amex card you may see an "amex offer" $5 off $15