newbie have question for auto~

hi everyone,

our company do screen printing for tees manually around 4 years and now is the time to move one more step, auto may give us more opportunity. so I have some question below.

1. whats the main different between M&R diamond back and sportsman, and how many station will be good for using?

2. how about sportsman 2020 vs 5070?
if mainly print for hoodie and tees ,which one will be better?

3, how much for the sportsman 2020 8/6 , mini sprint 38 and red chili 20 x24? I cannot found any price in internet to match the deals quote.

4. I can find out the max frame size for 2020 ,but I could not found any size for the minimum, can I use 20"x 24" (500x 600mm) frame for those machine?

thanks