Best bet is the BLINK Cameras from Amazon, basically a budget version of the ring cameras. No wiring required. All wireless.
Blink Outdoor - wireless, weather-resistant HD security camera, two-year battery life, motion detection, set up in minutes – 1 camera kit https://www.amazon.com/dp/B086DKSYTS/ref=cm_sw_r_cp_api_glt_fabc_9HVV8VJERQXZY6Z4GEZ8?psc=1
Wyze also came out with a wireless camera aswell, it’s not comparable to the ring but is extremely cheap compared to the blink& ring cameras
WYZE Cam Outdoor Starter Bundle (Includes Base Station and 1 Camera), 1080p HD Indoor/Outdoor Wire-Free Smart Home Camera with Night Vision, 2-Way Audio, Works with Alexa & Google Assistant, white https://www.amazon.com/dp/B08FFJWQY1/ref=cm_sw_r_cp_api_glt_fabc_2PZ4ABC6475YD059FMM1?psc=1
Limited-time deal: Blink Outdoor - wireless, weather-resistant HD security camera, two-year battery life, motion detection, set up in minutes – 1 camera kit https://www.amazon.com/dp/B086DKSYTS/ref=cm_sw_r_apan_glt_fabc_dl_9NQW45ANHMHAVX2Q2KXT?psc=1
Details on the Amazon Smart Home Bundle with links to Amazon product pages:
1x Echo Show 8 (2nd Gen, 2021 release)
If you're stuck on the part that says the following:
To finish the process click here: VALID ONE-TIME: Checkout must be completed upon clicking this link to receive your reward.
In order to click the link that (for me) says:
Q42022 Amazon Bundle Code
You need to be sure to enable pop-ups for the site. It prompted me when I tried to click the little "Print" link on the right so try clicking that a few times if you're having trouble.