My bill routinely costs around just under $19, but I make sure to use Wi-fi as the bill does get higher the more data is used.
One of the good things from listening to Joe Rogan's podcast when I did roughly 10 or so years ago was hearing of that service. Saved me a ton of money over the years for sure.
"Sean sparks like John Starks, nah, Sean ball like John Wall" - Rest In Power Forever Sean Price.