Since the COVID pandemic started hitting us, the stores have had trouble keeping various things in stock and it looks like they still are. Some places are having more troubles than others, and it seems to be hit or miss and changing constantly.
That said, there are still a few things that seem to be in short supply, or (dare I say it?) will be in short supply in the near future. Cleaning supplies seem to be hit particularly hard, as well as paper good. Canned goods are spotty, and I heard it was partly because metal cans were hard to come by right now. Some canning facilities were hit hard by COVID and had to stop production temporarily.
However we came to it, we now have to deal with it.
You can limit your cleaning supplies to white vinegar, baking soda and any kind of liquid soap. Liquid soap will wash dishes, wash floors, clean your bathtub and anything else. Dish washing liquid, shampoo, liquid laundry detergent, even liquid hand soap can be used interchangeably when you have to.
Use baking soda and liquid soap to scrub sinks, tubs and the like. Make a thick paste and scrub away. Baking soda can also remove black marks from floors, scrub away grease and burned on gunk on the stove, put out a grease fire and relieve indigestion.
Vinegar has so many uses there have been entire books written about it, but let me just mention a few. Add a splash to a quart of water and wash your windows and mirrors with it. Leave a couple of bowls setting out to freshen the air, especially in the kitchen and bathroom Use vinegar to remove soap scum and mineral deposits. Soak the area if you can but if it's in an awkward place, saturate a rag with vinegar and wrap or push against the area. Leave it there overnight.
I haven't bought a paper towel or a paper napkin in years. I hem pieces of old clothes or worn out towels and use those for everything a paper towel is used for. Real cloth rags can be more absorbent than any paper towel You can wash and reuse them over and over - no need to buy anything.
I do the same for cloth napkins. I make them from worn out sheets or the backs of old shirts; wherever I can find a good piece of sturdy material. Cotton works best, in my opinion. I wash them with the kitchen linens and they last for a very long time. If you have a large family, you could assign each one a color or type of napkin so it can be used at least twice before laundering.
What kind of shortages are you dealing with? Maybe we can get our heads together and find ways to handle them without stress.