I will just say it, your art is great, really, However, your price for each animation is the same as a full sheet animation from another artist, even your bundle is a very high price too, honestly, not many will pay such a price! $1-$2 will be the max price for the most expensive once (if you selling 1 type of animation separately like now) and not $3-$10 for some of them as it is now (for many not all). Taking the price down or making a way lower 'bundle' will help many who want to get your animations but do not have the money. I'm sure it takes time and effort so it is up to you, of course.