Thumb Score: +20

MTTD Direct via Amazon has JIYANG Solar Automatic Plant Watering Kit w/ 12 Timer Modes (20-Pot Drip Irrigation) on sale for $29.99 – $15 (50%) off when you apply promo code CJBNF8WT on the checkout page = $14.99. Shipping is free w/ Prime or on $35+ orders.