What can I bring into Mexico Food / wine / liquor / meat

It all comes down to excess. If you have an excessive amount of anything, you may get questioned. If your moho, trailer or whatever, looks like a normal home, you should be fine. Yes, stash you pet foods around your vehicle as you normally would store them. If you have multiple cases of wine, the same applies. It's all common sense.

You could be asked for a health certificate for your pets. Download APIS form 7001-1, fill it out on line, print it and sign it. You'll be fine.