Hi there! I'm sure this has already been discussed before, but I'm needing some help on how to do a wedding cake with all the tiers on seperate stands, at differing heights. I'm trying to do it as inexpensively as possible. I've seen that some people are questioning the stability of the card board/ PVC piping stands. But I've seen some cakes on here where it looks like they literally just took 2 seperator plates, put pillars inbetween them, and set the cakes on top. Is...