As for the Tea vs the Salt...from the book it reads...
>> It is quite advisable to take the herb laxative tea at night to loosen, then the salt water each morning to wash it out. If for some reason the salt water cannot be taken in the morning, then the herb laxative tea must be taken night and morning. <<
I followed that protocol...If your salt water tastes bad, try a different brand, I like salt and looked forward to it in the morning...
I would keep it simple the first time, and not attempt the B&P...I didn't have good results with the B&P on my second flush anyways...