A:AnswerThe bundle works great without the smart hub. I have the doorbell, the flood light and 4 additional cameras that all work without the hub. And yes, you can add more cameras as I did.
A:AnswerIt’s for the subscription if you choose to add it. You can choose to add one camera to as many you own. Check out their website https://www.arlo.com/en-us/arlosecure.html
A:AnswerAlthough there isn’t a monthly charge so to speak, should one choose to pay the $10.00 monthly fee, additional storage and services are provided for your “Arlo” account. This additional information can be found and explained on the “Arlo” respective website. Hope this helps.
A:AnswerYou have to use the cloud there is no spot for a SD card on the cameras but you could use a hub to help with that but it’s not needed to use the cameras.
A:AnswerThe ”Arlo Pro 4” cameras have their own built in Wi-Fi and do not require a separate router hub. They will connect directly to your main modem.
A:AnswerI had the original pro hub and when I connected my Pro 4 I had an option to use the detected hub. I would think you would have the same option .