flip

You cannot perform a Flip Summon during your opponent's turn. A Flip Summon is a way of manually changing the monster's Battle Position. Since it is "manual", it can only be done during your own Main Phase. You cannot use Ultimate Offering to Flip Summon a monster during your opponent's turn...

A monster that is Flip Summoned changes to Attack Position. A monster that is flipped face-up by an attack or a card like Swords of Revealing Light is not consider summoned at all and remains in its Battle Position. Not all Flip Summons are a "switch" to Attack Position. You can have a...

No, it does not get flipped automatically. When face-down monsters are Tributed, they are sent to the Graveyard without being flipped face-up first. If you want to activate the Flip Effect of your monster before Tributing it, you have to manually Flip Summon the monster during your Main Phase...