If you don't upgrade your Shooting, Health, and Street Smarts to almost maximum, plus upgrade some of your weapons to Lvl. 3, it'll be frustratingly difficult to take down the Barzini compound.
Once you're upgraded, you'll still have a decent challenge taking them down, but it won't be too difficult.
I took down the families in this order:
Tattaglia Stracci Cuneo Barzini
"Growing up my dad was like 'You have a great last name, Galifianakis. Galifianakis...begins with a gal...and ends with a kiss...' I'm like that's great dad, can we get it changed to 'Galifianafuck' please?" -- Zach Galifianakis
