A smaller bag is subject to frequent reloading. Ateco and Wilton are good brands for bags and tips. Keep your tips simple at first. A small and large star for star, rosette, or scallop borders. And then a leaf just because they're fun and easy to make.
People eat with their eyes.
When your food looks good, it tastes even better. 1 Fold down the top of your pastry bag. Cut the end of the bag if it doesn't fit. To fill, fold down the top and form a cuff. Put your hand under the cuff.