Wisdom

Resource management
This game is all about resource management, not collecting heroes as the name would imply. You need to balance farming of characters and gear.

For character farming, it is recommended that you have no more than 4 LS/DS farms and 2 Fleet farms + 1 Cantina farm at any one time. You should NEVER refresh unless it will definitely help you in the long run. One case where it might be beneficial is farming Houndstooth as getting more fleet currency/crystals earlier will help compensate for the crystal use.

Rolling randomness
There is a lot of random rolling in this app. People will be fooled into seeing patterns and get pleased or upset by roll results. To avoid frustration, consider covering up the screen just before you roll and then going 'back' before you see the result. This may seem silly, but does remove emotion from the action and therefore results in more rational behaviour, which will save you heaps in the long run.

Current state / future state
The tricky part of this game is optimise current or short-term state versus long-term state.

Generally, and somewhat unexpectedly, people will under-optimise short-term state: for example, by half-developing a team before switching to a newer team - this is results in under-geared, semi-useless bloat. Unfortunately, this game does force you develop certain characters in order to obtain others, so there is no avoiding some bloat - the key is to optimise what you have.

You should always keep in mind, and ideally note somewhere what the current state of your teams and overall roster is at, and where you would like it to be in the end, and perhaps a medium-term time range too.

Fleet Arena vs Squad Arena vs Raids vs GAC
In terms of priorities to maximise progress, you should focus on fleet first, then raids, then squad, then GAC. Only some toons are good in multiple game modes, so try to gear those more than others. You really shouldn't worry about Squad Arena, as you'll just pick your best raid team and then perhaps switch mods (optional). You should NOT try to build teams just for GAC, but do learn the counters and other strategy.

When picking raid teams, try to pick those that are also good in squad arena. For example, RJT is a good raid team, but no good in arena, so you are better off going for JKR, which is good in both.

YouTubers
Much of the advice from YouTubers is bad and geared toward end-game players. There is focus on GAC because it provides good content for video, but focusing on GAC for the normal, non-last-end-game person is a bad idea as it results in team bloat for relatively bad rewards in GAC. There is generally too much hype and not enough sound advice and theorycrafting. There are a few notable exceptions though, such as Skelutrix.

The reality is that GAC requires a lot of tedious work, much much more than raids, but you just don't see that when watching the YouTubers.

Squad character order

 * Geos: Brute Alpha, Sun Fac, Soldier, Spy, Poggle
 * JKR: JKR, Jolee, Ezra, Bastilla, Yoda
 * Bounty hunters: 1,2 3, Jango, Dengar
 * Nightsisters: Lead, Dakka, Zombie, 4th, 5th
 * Padme: Padme, Ahsoka, Threepio, JKA, GK
 * Clones: Fives last due to bug
 * Imperial troopers: Veers, Stark
 * Nute: Dooku, Nute, 3, 4, 5

https://www.reddit.com/r/SWGalaxyOfHeroes/comments/fc3myd/team_placement_matters/ https://www.youtube.com/watch?v=7AmR_4ruAgU

Zetas to avoid (possibly)
Top 10 Unnecessary Zetas in SWGoH