Canvas too small

Hey guys so ran into an issue with a paint by numbers I ordered. so as you can tell by the title the canvas is way too small for the image. for some context this paint by numbers was the first one I ever ordered. I thought about starting this hobby for a while and decided I have some extra spending money this month might as well bite the bullet. Upon doing research I couldn’t really find anything I liked so I decided to do a custom pbn. I found a seller on Etsy selling for a decent price and decided to go with it. upon picking the size I decided to go with an 8 by 12 for my first one to Yk keep it small since I am trying the hobby out. However, upon opening my package and looking at the canvas I realized the picture size does not fit the canvas size, and the numbers are so small. Not small as in oh I need extra light to see or I can zoom in from a picture on my phone. I mean like small small to point I can’t even read the numbers in some sections / can’t even tell if certain sections have numbers. Before purchasing I did some research and saw that kits tend to come with a paper showing a map of all the numbers but this kit did not at all. This seller had an option for a bigger canvas which was 12 by 16 which would have been much better for the photo size. I do agree part of it is my fault for not doing more research. However part of me wishes the seller said something about hey I think this canvas size is a bit small for your image. Especially since it is a custom piece. So now I have no clue what to do. If anyone has any advice please let me know? Should i try to paint it anyways and guess on the sections I can’t see? Should donate this one, wait till pay day and buy a new one? Should I contact the seller?