Succah:

• Location;
• K’ein taduru;
• Shabbos and Yom Tov;
• Overhead;
• Walls - size, fabric walls, height;
• S’chach - materials, ma’amid, non-Jews, other.

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Tevillas Keilim Issues:

• Klei sechorah;
• Tevillah before it is required - houseware store, present, restaurant;
• Dish rental business;
• Electrical devices;
• Partnership with a non-Jew;
• Cannot be toiveled without ruining it;
• Dishes which didn't have tevillah;
• Ger;
• Mumar.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com

Grasshoppers:

• Kera'ayim;
• Rashi - simple reading, Rav Kappach, Sichas Chullin;
• Mesorah;
• Other halachos.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com

Tzitzis [Part 4] Strings:

• Lishmah (what, who, how);
• Physical properties;
• Strings onto beged (lishmah, wrapping);
• Techeles.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com

Avodah Zara:

• Indian restaurants;
• Holy basil;
• L-cysteine;
• Greek gods;
• Trappist beer.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com

Tzitzis [Part 3] Garment Materials:

• Materials;
• Children's tzitzis;
• T-shirt tzitzis;
• Sleeves.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com

Tzitzis [Part 2] Holes for Strings:

• Distance from edge;
• Number of holes.

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Tzitzis [Part 1] - Garment Size:

• Length;
• Width;
• Neck hole.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com

Perutah Chamurah:

• Pidyon ma'aser sheini;
• The coin;
• Perutah chamurah (what, why);
• Complications;
• Useable currency;
• Double transfer.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com

The Three Weeks:

• Timing;
• Simcha and Music (events, dancing, music, laundry, renovations);
• Foods and beverages.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com