Let people know if the business are open or closed directly in the map!
Define the states you want for ewach business indivually.
Same for the collors and for who can can update the blips.
Define a /commandfor players to change the state.
There is no limit on how many states you can have per blip.
Youtube : Dynamic Blips by Blaster Hub (youtube.com)

Dynamic Blips - RedM Resource Development & Modding / Releases - Cfx.re Community

Support: https://discord.gg/b67TEPrMq9
More info soon.