$126
Opted for a slightly more expensive smart lock to handle the deadbolt which offers several key codes that is perfect for yourself (no key to carry), friends, family, or renters. There are some smart locks that give you full access via smartphone app, but I personally feel the security isn't ready yet. Plus they are noticeably more expensive. Looks nice, easy to use (although sometimes you have to wait a minute for the keypad to illuminate), easy to install. TIP: Have an extra set of keys available, especially while you're learning to use the lock.
$18
Rather than planning electrical for an outdoor light and having it always on to attract bugs as you walk into your house, pick up this mountable light that is solar powered and offers several modes, including on at night or motion sensing. If you move your house, you will need to remove anything mounted that reaches beyond the 8.5' width, so this is easier to deal with than a typical light. Of course, you'd probably never get pulled over if you left it on. TIP: Make sure the light has sun exposure to keep it charged.
$161
Gooseneck faucet (pulls out) and hold magnetically. Doesn't retain fingerprints or water marks.
$65
Modern shower valve. Versatility in the hookup depending on plumbing, just make sure you get the right internal component to hook up to the handle and pipes.
$68
Modern, LED sconce lighting. Takes up little space and comes with LED bulb. I replaced with Philips Hue bulb which shine through great. TIP: Not all sconces are LED (use hardly any electricity and last a long time). If the sconce is not wired for LED, don't use one, use the bulb recommended by the manufacturer.
$100
Decided to try out elements of a smart home with the lights because you can change the colors (I went for the white ambiance bulbs) that can be adapted to your mood to improve concentration or to prime for bed by auto dimming and making colors warmer. It really does have an effect and has become one of my favorite purchases. Easiest to get the starter kit to get going. Controlled by app (Homekit if iOS) or remote. Easily expandable to additional lights.
$86
Add to any base Philips Hue system. Multi-color LED strip that can be cut to desired size and uses 3M adhesive. Controlled by app and Homekit for iOS. Many color options for mood, falling asleep, etc. I find it helps for falling asleep as you can set routines to have a softer light and auto dim. One of my favorite purchases. TIP: Requires Philips bridge to work.
$119
Dual function smoke and CO2 detection. Battery or wired (I did battery to avoid electrical wiring and so it could be moved if I wanted). Controlled via mobile app. TIP: Get the code for the app off the back before installing.
$23
Charge via AC wall adapter or USB. These in particular give 2.4 amps each port which provides faster charging (some split the power which charges slower).