The Time and Place for Netilat Lulav

Is it better to do netilat lulav in the sukka before one goes to shul or during tefilla (before Hallel)?

Tying Up the Arba Minim on Yom Tov

Last year, I forgot to prepare the arba’a minim before Yom Tov and just put them in the koysheklach without tying anything. If this happens again, what can and should I do to prepare them on Yom Tov?

Obtaining Arba’ah Minim for the Sukkot after Shemitta