In a place where they are accustomed to repeat, he repeats; [where the custom is] to recite as is, he recites as is; [where the custom is] to recite a blessing after it, he recites a blessing after it —- everything [must be done] in accord with the local custom.  If one purchases a lulav from his friend during Shemittah, he must give him the esrog as a gift, because it is forbidden to purchase it during Shemittah.