Microsoft Edge enables you to create apps from webpages. You can use it to create Google keep as an app. Here is a picture of mine:
You can install Google Keep as an app on your cellphone.
Using Google Home (for Google nest display users) you can add it to Google Nest. If it's in the vicinity to hear me when I realize I need more dish soap, I can say, "Hey Google! Add dish soap to my grocery list" -- and it gets added.
You can add or remove items to any lists you have setup. As long as you have your cellphone when you leave the house, you have your lists with you when you do your errands.