Ours (GDO) is a RoMac MVP - never heard of it before - but that's what was installed 4-1/2 years ago in Sabal Chase when new. Called the company (the phone number is easily visible on the thing on the garage ceiling, and it was only about $65 installed - the part (keyless remote) was $40 plus, labor was $15 or $20 - and the guy who came out also adjusted it at no extra cost.
Ohioboy is not terribly handy - worth the price to us. I garden and paint, but I'm not terribly mechanical either. Usually by the time I have figured out the easy way, I've already struggled thru the hard way.
Of course, the god still doesn't work once in a while for unk reasons. (see earlier post) But, the remote seems to work fine (if I remember the code - another issue