How big are we talking here? 20x24 I’d still mount with a backing board, hinged front mat, and corners. Though I’d flatten it in a dry mount press first. I’ve never needed to deal with an actual print that’s bigger.

People who over-process in post, to the point that it looks ridiculous.

I use manual focus when:
Using a camera without auto focus
Using a lens without auto focus
When my camera won’t auto focus on what I want as my subject

I keep eyeglass cleaning wipes with me…

Bring food, water, and bug spray. Bring a speed light because fill flash might be useful. Watch for and be careful of contrasting lighting. Light shining through some branches can be strong and right next to a deep shadow… also beware of color cast.