Depending on the level of strength you have - you’ll find you can do some things, and not others. I have very limited strength in my arms and hands for instance. In comparison, I have trouble lifting a full water glass to my lips. So, in case it helps… I place my entire right forearm underneath the front of the lid to open it and use both hands to close. @evansd2 designed what we call The Openator for me, which enables me to open the front door/flap. I’m asking him herewith to send you the design should you need it.
Meanwhile, I’ve compiled this handy fact sheet you might find useful:
Have fun when you get it all set up - with help.