Apologies, and not sure if you will see this, but I was putting everything in mylar bags for storage in tote bins. I would always do the oxygen absorbers unless you plan to use very soon or are doing something like vacuum sealing (and even then) or purging with another gas.
Think Mountain House and other FD food brands. Some things will not reconstitute the same as fresh. Just an unfortunate fact. The key is FD food retains something like 97% of nutrients.
Meat: you can FD raw or cooked. The key is trim as much fat as possible. If ground beef get the leanest you can and consider even rinsing it after cooking it up before you FD it. Fat doesn't FD, so fat in/on meat is your enemy for retaining freshness.