Let me be straight with you about something.
Most businesses order the wrong banner. Not because they chose a bad printer or skimped on design - but because they picked a format that doesn't match what they actually need the banner to do. A retractable stand outside in the rain. A giant vinyl backdrop in a tiny indoor stall. A feather flag trying to communicate a paragraph of information to someone driving at 60kmph.
The format matters as much as what's printed on it. So here's a proper breakdow