full set up (tank, hide, water bowl, thermometers, humidity meters, 'toys')
snakes do not "play".
a good rule of thumb for these guys is "a hiding bp is a happy bp." NOT a good display animal by any means.
a good set up will include the cage of course, an under tank heat pad underneath one side (about 1/2 the size of the cage), MUST have a thermostat or something to control that heat pad, 2 identical hides (one on each end), 1-2 water dishes (i use 2 cuz it helps me maintain better humidity) & a hygrometer.
a temp gun is by far, hands down THE BEST way to monitor temps as it reads surface temps (which will tell you exactly what the snake is sitting on).
as far as biting, your right, it would take ALOT to make a bp bite but smelling like food on feeding day is a good way to accomplish that. so far i've seen alot of these comments about bp bites..."i didnt even know i was bitten until i saw the blood." which also by the way is like maybe a drop, or 2.
i've NEVER been bitten so i have no experience with it and i like it that way.
i dont really keep track of how often my girl poos but everyone here says these snakes usually do a big dooky after a shed.
from my experience the poo is solid, like a little log, but i have heard of some snakes going all picasso with theirs...

potty train
? really? nuff said. but in their water? that's disgusting

i dont know if you already know about the pee or not but theres 2 forms of pee - the normal liquid (which will more then likely be absorbed by whatever substrate you use) & then theres the "urates" the soild form (looks to me like poo painted white, haha.)