Every pack, pass and "limited offer" gets the same question from me: what does it actually cost per thing you'll use? I play Star Wars: Galaxy of Heroes and Marvel Strike Force as a careful spender, so I'll tell you when free-to-play is fine and when it really isn't. Marketing doesn't move me much. Maths does. Spotted a mistake? hello@gatchanews.com
Star Wars: Galaxy of HeroesMarvel Strike ForcePack valueEvents
Attack squads first, defence from whatever's left: that's the split I'd make before a single unit goes on the map. Here's the reasoning, plus the Guild rules that decide who gets paid.