I was fortunate enough to have my husband "let" me take the Wilton cake decorating courses tehe. My instructor taught me one thing that I would never have thought of, and it's one of those DUH moments.

You know how even if you have a icing smoother thingy you still have random lines, valleys, air bubbles.....

Well you let it (Buttercream~BC) set up until you can touch it and it wont stick to your finger. Take a piece of Viva paper towel (the only towel on the market that does NOT have some sort of print on it) or a piece of parchment paper, lay it onto the cake and gently rub to smooth out any imperfections, being careful not to rub to long in any one spot because it will melt the icing and cause you to ruin your cake zen (not cool).

Move the paper towel/parchment until you smooth out the entire surface of the cake.

There you go

That's a great tip!! Thank you for sharing!

Not a problem I am always willing to help in any way that I can. I have gotten so much information off of this site that I wanted to contribute as well.