Social media for small businesses: What platforms should you use, and how do you get followers?

I know using Facebook, Instagram or Twitter could help me reach customers, but I don't have a lot of time - and it seems like hard work.

Social media for small businesses: What platforms should you use, and how do you get followers?
I know using Facebook, Instagram or Twitter could help me reach customers, but I don't have a lot of time - and it seems like hard work.