Question about Stacking

[CDB]

I'm wondering are there general rules for coming up with a stack other than use what's worked for others before? From what I know the only rules are:

1) Make sure each substance can contribute to your overall goal for the cycle.

2) Make sure each substance won't interact in a bad way with one another (ie., don't stack an aromatizing substance with M Dien because of the risk of progesterone side effects; don't stack methyls, although I think that's more flexible than people say).

I'm just wondering if there's a set of general rules other than these two that can help direct you to develop a decent stack with a good chance of working.

 

[bad rad]

In general the only real rules per se would be don't use two very androgenic compounds if because the sides are real bad! and don't stay methyls more than six weeks.