Don’t forget that the ‘starter’ needs to be fed (sugar) and watered every other day ,or three , just to keep going .
There is a difference in wheat bearies : hard red winter wheat will give you a heavy bread , semolina will give you a lighter loaf . Pastry flour is another variety of wheat altogether . Consider “sifting” your flour to make a lighter loaf . And rotate your stock.
To supplement protein sources in your diet consider taking up fishing as a recreational sport (also a good family activity). There are numerous fishable ponds and streams which are overlooked by many who lack the time , or the patience to try .
Than you for you list of canned goods , and viable shelf-life expectancy . That is most helpful for food storage.
Also , store bought eggs have a ‘sell by’ date generally posted on the outside of the box. Those eggs will remain fresh for about 30 days past that ‘sell by date’. Eggs represent the most concentrated form of protein , and the shell is an almost perfect protection package .
You can tell how fresh an egg is by how high the yolk sac is in a dish; the fresher the egg, the higher it will stay.