What are you thinking? It will be yours so your opinion is what matters. We can let you know if we think your idea is a good one with your experience, but we are in no position to guess what you may be ready for.
A big factor is money. How much can you afford? As in do you have the needed funds for the cage, heat devices, and controllers needed for what you get?
Then how much room do you want to give to another snake? Will you be able to give the snake what it needs once grown?