Unfortunately, it's not true. On a standard (US) home outlet (120volts), you charge a Model 3 at about 5 miles of range per hour. So, if I get home from dinner after work at 8:00pm, and have to leave for the office at 7:00am the next morning, my car only adds about 55 miles worth of charge.
As an example, I went for a longer drive on Saturday, and it took 37 hours to charge at home (right through Monday morning.)
(I live in a place where I'm currently unable to install a high-capacity charging outlet.)
My Model 3 adds 17km/h at 220V (EU). => 200 km range if you arrive at 6pm and leave at 8am. THis is not a full charge, but it is more than enough for my daily routine.
But I understand, there might be some use cases where this is not enough.
As an example, I went for a longer drive on Saturday, and it took 37 hours to charge at home (right through Monday morning.)
(I live in a place where I'm currently unable to install a high-capacity charging outlet.)