What's the Halachah? Bereishis - Vayikra

with Rav Zev SmithRelevant halachos arranged according to the Weekly Parshah May someone open a store in his apartment if other residents of the building claim that the store's customers will make it harder for them to use the stairways and elevators? May a wedding hall be opened (if local zoning laws permit it) in a neighborhood whose residents claim it will increase traffic and make parking more difficult? May a seller refuse to give a refund for a defective item if the buyer does not have the receipt or he has disposed of the packaging? If a store displayed a sign that read, "All sales are final," must its owner take back an item that was found to be defective? If a Jewish-owned vending machine is patronized on Shabbos (by a non-Jew), may the owner keep the money? May Kiddush Levanah be said indoors on a very cold night or by a person who is homebound? Rav Zev Smith, a renowned maggid shiur for Irgun Shiurei Torah, Dirshu, and other prominent organizations, and Rabbi Dovid Kaiser, a