do you mean 360 degree panoramic camera or 3D stereoscopic or 3D photogrammetric camera ?
in any case, $100 will not get you very much if anything at all, if your goal is to create 360° panoramas on the cheap, install the street view app in your mobile phone and use that, not as convenient as a one shot 360° camera but it will work
IVRPA - The International Virtual Reality Professionals Association is an international association of photographers who create and produce 360° Panoramas and other Virtual Reality Content including 360° Video, 360° Virtual Tours, Gigapixel Panoramas, and more.
This website showcases both our members and VR Photography community enthusiasts, and serves as a central place for news and communication for the 360° VR industry.
Professional and amateur and 360° VR photographers are encouraged to Join IVRPA and participate on this website.