We're managing for bills and weekly shopping on both our basic state pension. But it doesn't run to Christmas and birthday presents for close family, clothes, household items that need repair or replacement, our cars, take aways, holidays etc.
We have savings and have spent at least 8k on levelling the garden (there was 15 different levels here in a small garden) building a shed, entertaining family before lockdown, power tools, new white goods for kitchen, etc etc.
You definitely need to stick to a budget and have an emergency fund. I'm also decluttering and selling on eBay as a hobby which helps in a small way.