Kept it to things that do not go bad quickly. It's an effort to initially collect these items, and costly up front if you don't have much disposable income. In the long run though, it is cost saving and worth it for the ease of throwing things together and the freedom to literally follow your gut.

Salt sources other than table salt to throw into a dish

miso paste

soy sauce

Better Than Bouillon (any veggie flavor)

gochujang paste

Herbs & Spices & Dried stuffs

granulated or powdered garlic

granulated or powdered onion

cumin

cayenne

paprika / smoked paprika

Acid sources

rice vinegar

apple cider vinegar

sriracha

Valentinas hot sauce

tomatoes of any kind

Suga Suga Suga sources

Original Japanese Barbecue Sauce

brown sugar

jams or marmalade

any random sugary sauce that has been hanging out in the fridge for too long

Fatty fat fats <3

avocado oil (great for cooking at high temps)

olive oil

peanut butter