Amazon has the 12-Pack Uniball Vision Elite Micro 0.5mm Fine Point Rollerball Pens (Black Ink) for $9.99 - 5% off via Subscribe & Save = $9.49 with free shipping on $35+ or with Prime. List price: $38. Features quick-drying, acid-free, archival-quality ink is fade- and water-resistant to last over time. Has excellent Amazon Reviews.

Amazon has the Tractive Waterproof GPS Dog Tracker (White, TRNJAWH) for $20 with free shipping for Prime members or on $35+. Chewy sells it for the same price.

Has good Amazon Reviews.

Amazon has the 2-Pack 10oz Gorilla Waterproof Caulk & Seal Silicone Sealant (112098) for $13 with free shipping on $35+ or with Prime (extra 5% off with 5 items S&S order). List price: $21. Features 100% Silicone Sealant seals out water, air and moisture and is great for kitchen, bath, window, doors, auto, marine plumbing, gutters and more! Ready for water exposure in just 30 minutes.

Has excellent Amazon Reviews.

Amazon has the Kwikset SmartCode 955 Pembroke Light Commercial 10-Button Keypad Electronic Lever (99550-002, Satin Nickel) for $69 with free shipping. List price: $125. Features 3-year battery life, 3 lock modes, LED keypad illumination. After 3 consecutive incorrect code entries, the lock sounds an alarm and disables the keypad for 1 minute.

Has excellent Amazon Reviews.

Amazon has the Step2 Express Package Delivery Box (583199, Black) for $45 with free shipping. The Step2 Express Package Delivery Box is the ideal solution for safe and easy package delivery, designed to withstand the worst weather conditions, keeping your packages dry and secure in any environment. #1 Best Seller in Package Drop Boxes & Lockers.

Has excellent Amazon Reviews.