Should I root my MOTO G 2015? To get more storage?

Hello everyone! I didn't want to root my new MOTO G 2015 but I need more storage if I want to install more app's, I saw with root permissions we can transfer full sized app's to the sd, is it true? and how? I've seen already a guide how to root moto g 2015, but know I want to know how to transfer full sized app's to the SD and then i'll decide if I want to root or not.

Do you think I should root? It will be better If i want more storage?
Is it safe? The Lollipop will be automatically installed after the root? I have no need on install other Android OS.

Thank you!