AMC was a department store brand and stood for Allied Merchandising Corporation. Big department stores collaborated on this. Salesmen were told to push them and got higher commissions for them. Refrigeration products were Gibson. Ranges were cheap POS Sunray and the laundry line was by Easy. Rich's in Atlanta handled the line, briefly, because they had a policy of taking back merchandise with which the customer was not satisfied and a lot of customers were not satisfied with these. Oven liners rusted out. Broiler elements dropped when the screws holding the supports fell out of the rusted holes. The clothes dryers still used a galvanized drum although they did have an intersting air flow path from the right rear to the left front, but the pull out lint filter in front resulted in wasted drum space because the throat of the drum had to be deeper than say a GE. This was mid 60s and Easy's line was due for a modernization. I don't know what the major problems with the Gibson line were, but I heard the window AC units rusted pretty fast and when it is the base pan of the AC unit, you are kinda screwed.
As with most of life, you got what you paid for.