Keep it Simple! Look at what is achievable to start with. Do you own a bag, if yes, reuse it and get into a habit of taking it with so you do not buy another bag when out. Zero waste achieved step one.
Work on use what you have, You do not need to buy new items to start your zero waste journey. Consume less and look at if you really do need the item. Eliminate non-essential single-use items and products. Buy in bulk where it is achievable. Bring your own is a power house habit of all zero waster’s. Compost indoor and outdoor is achievable.