I don't know about everyone else but the only way I see myself getting tier 100 this season is by grinding bounties every day and I sadly don't have the time or will to do that.
If anybody has a better way please let me know it would be a great help.
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I had a ton of bounties ready, then I joined a raid and turned them in once we loaded and the shared experience buff thingy become active. Weeklies give a ton more EXP, especially the obelisk ones.