how many buy -ins do u need to play sit&Go

[astro]

hi, can any of u tell me this please??, and how many buy ins can u lose in a bad run, I thought with only 20 buy ins it was fine, but looks like u need a lot more
mi bank now is 7k, but i "discovered" sitgo just this monday, playing 50+5 have 52,38% wining percentage after 42 sitgo, I know i have been very lucky this days