by Yosef Goldfrandi - https://www.hidabroot.com/article/178313/The-Guidebook-to-the-Laws-of-Sukkot
Those who cherish commandments rush to do them right away. Therefore it is praiseworthy to build a sukkah immediately at the end of...
It is a positive commandment from the
[ Leviticus 23:40 ] to gather together the Four Species during Sukkot :
On the first day you shall take the product of hadar trees, branches of palm trees, boughs of leafy trees, and willows of...