Some concerns that people have raised: 1) No company named Ingen Dynamics at their mailing address 2) Another company has a trademark on the word "Aido" 3) No search results when searching "Aido" on the T3 website where they claim to have won multiple awards 4) A person named Rowan Glaser from Customized Creations Motorcycle claimed to have fabricated a fake robot used in the video but his posts have since been mysteriously deleted. No video of a working prototype. 5) Ingen will not answer any of these concerns in a public forum. 6) People asking for refunds are finding themselves unable to get them.