There are reasons that people say no about housing more than one snake together. It sounds like you already have your mind set, and I'm not about to try and change it, but I will just mention a few points that you may not have thought of or heard yet.
If you have two snakes housed together, and one stops using the bathroom, how will you know which snake needs attention. It goes the other way to....one has very loose bowel movements, again, how do you know? And if one of them gets sick, even if you know which one it is, it's more than likely going to get the other snake sick, so you then have two vet bills instead of one.
There are many reasons that you shouldn't keep snakes together as a beginner in the hobby (and by beginner I'm talking about less that 10 years or so of experiance...after so long it's a different story). Being with another snake can stress the snake out, and b/c it's stress it can get sick easier. It just doesn't seem worth the risk to me...
I'm not really sure why you posted if you plan on doing it no matter what we say. Although I do hope you read some previous post about houseing multiple snakes together and give the risks some more serious thought...
