If you use dairy in your tea or coffee, you might experiment with keeping a small amount of the whole milk around to use as creamer.
I have been shocked to discover that whole pasteurized milk keeps longer in the fridge for me than either skim or cream do. I have been able to push past the whole milk sell-by date by weeks. In one case the whole milk kept for almost two astounding months. One local brand kept longer than others.
My litmus test was that whole milk on the verge of spoiling would curdle immediately when added to tea or coffee before it was possible to detect changes in taste or smell.
Rest assured that this was a pandemic experiment and I didn’t subject anyone else to it. 
