cries in no DLC
cries in no DLC again
What's a waifu? I've certainly never heard of it...¯\_(ツ)_/¯
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But for real, this is all advice I'd agree with. Essentially use every resource you have, understand the mechanics, and have a plan and stick to it (though my synopsis of that is horribly oversimplified 😅).
The only point I'd add is understanding the maps. You don't need a perfect understanding of each and every map, but you need to be aware of maps that have silly components that can screw you over. I know you mentioned preparing for the timeskip by having all of your items on your units to get them replenished, and this is certainly good. But a part to add is if you're playing on a route that has Hunting by Daybreak to plan your skills and items to prepare for that during Chapter 12 since you don't have a preparations screen. Another thing is making sure Gilbert dies in Chapter 5 before he can step in the range of the archers on the upper level and make every enemy rush you. Other similar components naturally follow; it goes along with just making sure you have a plan but nonetheless I think it was a good point to state explicitly.
Once again, congratulations on successfully completing the arduous Maddening Iron Man, looking forward to your video on the topic!