I am not suggesting professionals complete all the work on the project. I agree, building something yourself can be half the fun. However, unless you have experience building something like this it is quite possible for mistakes to be made (I am not suggesting that you are incompetent, its simply reality whether you are building a car, a house, a paludarium, or a rocket ship). And a mistake on this scale could be, at the least, smelly.
If money was not an obstacle, I would go all the way and make a big ol' mangrove setup.
If money was not an obstacle, I would go all the way and make a big ol' mangrove setup.