So it's only been usable for a couple days and I just today was successful at reclining while seated in it and to completely decline is challenging. The vibrate is quite loud, freaks out the dog. However it works as described, you get what you pay for.
The decline is just too challenging,  my legs are too weak. In fact I'm looking to return. As for Angi, I'd never hire them but the young man who assembled it was very nice, respectful,  knowledgeable and quick