Many of these businesses will have a web presence, so basic programming knowledge should be important even if you are hiring someone to else to make your website/shopping cart just so you have an idea of what is possible and so you don't get screwed on pricing.
Similar to how if your business depended on a large fleet of vehicles you may not need to be a mechanic, but some basic knowledge about maintenance and the capabilities of different vehicles will allow you to make better decisions and hire better people at more reasonable rates.
Similar to how if your business depended on a large fleet of vehicles you may not need to be a mechanic, but some basic knowledge about maintenance and the capabilities of different vehicles will allow you to make better decisions and hire better people at more reasonable rates.