Yes, NAS will allow you to create your own private cloud similar to Dropbox. Synology and Qnap both allow team folder sync which could be used for collaboration. Otherwise, you can set up a VPN to your NAS from both locations. You will both then be able to map the network drive similar to your external USB ports that feel locally accessible.
DS920+ is the most popular NAS out there. https://amzn.to/3SPhAq4 Probably thanks to its hardware and easy-to-use software. Also, remote access via their proxy servers is safe and easy.
DS920+ is the most popular NAS out there. https://amzn.to/3SPhAq4 Probably thanks to its hardware and easy-to-use software. Also, remote access via their proxy servers is safe and easy.