I have played about two weeks now. I read most of the stuff about farming, using stamina efficiently, weak attacks on raid bosses, etc. I am level 64 and have a full roster of 4* and 5* girls. I didn't bother leveling any 3* or 2*; selling those as I got them. I even have four or five of the girls already evolved. My total party strength is a little below 200k.

I can't clear event maps that take 80 stamina. At what party strength should I be able to do that to get the flower gem associated with it?

Should I be doing the re-issued and permanent reissued older events for those 5* event girls? If so, should I start leveling them immediately to replace a 4* girl in my main squad? Or stick with my current squad until it's "done" before moving onto other girls?

I assume that a 5* event girl with dress/skill blooms is better than a gacha 5* girl with none of the upgrades? For the non-event girls, I see "skill blooms" in the store that are purchasable for life crystals. Are their comparable things for equipment slots, dressblooms? Or is upgrading with a clone the only way? Maybe I'm still early enough in the game but buying a full set of skillblooms for one 5* (or 6*!!) girls seems like it won't happen. Life crystals become more abundant?

At what point do I start saving (and leveling) 2* and 3* girls so that the "world defensive battle" scenarios can have full parties?