We will discuss How to create multiple addresses in gmail with a single inbox.
This is specially useful for website owners and proffessionals who have a lot of online presence but need something to manage their accounts. So here is a tip.
'Gmail addresses remain the same, even if you put a plus and add something after it.'
Gmail does not recognize characters after the plus symbol but the gmail
search filter can distinguish between the different address and hence you may redirect these emails to separate gmail folders or apply
different labels. Using this technique you can give attention to those who need and you do not need to search the important ones in your inbox.
So finally your two options are very clear,
1. Seperate folder
2. Seperate label
Now you know how to