Most people here won't tell you that 3 is too many because a lot of us have more than that
That being said, it isn't much extra work to add another one, but with using tanks they can end up taking up a lot of space. Getting another snake is a slippery slope, as most people here can tell you. I started with a normal and just had to have certain other kinds, and now I have ten ball pythons with breeding plans stretching into the next four years (concrete anyway, I have ideas for after that) and aspirations to add some boas to my collection. Once you start...