For example, when my deal reaches a certain stage, regardless of the deal - the activity is the same: I need to follow up in one week. 

Instead of manually setting this activity each time - it would be awesome if it were automatically set as soon as I slid the deal over! 

I tried to set this up through zapier, but the activity kept showing up on the same day and I'm not sure if it's possible to set it up in Zapier since the date will not always be the same. Any advice?