Don’t waste time on making erratas

First an errata is made for an MCQ book; then a second updated errata for the first errata is made. Then a second edition of the second updated errata is made. Then some one comes and make a brand new errata, and the process repeats. 

Take pity on yourself, and don’t waste your precious time; stick to standard MCQs books like “FCPS Pretest Series”:

Be nice whenever possible. It is always possible.