The whole point of letting them see /sniff the saddle is so you can get their reaction. If she's trying to bite it before you even put it on her she is telling you it hurts. This is the only way horses can communicate. Listen to her.
You're likely to end up with a lot of my way is better than your way. Natural horsemanship is covers such a variety of training methods. You'd be better off setting up a good common sense yard with a round pen included for the wannabe whisperers, then picking one trainers methods whom you follow...
Surely you took back shoes off before introducing her to the rest? Do they not get checked every day? Sorry you're busy but it doesn't take that long to check and change rugs. Horses come first, if you haven't got time then drop something else for a few weeks
I am aware I'm probably searching for the impossible BUT I need a muck boot that I can ride in, must be hard wearing as I live in my boots, must not spring a leak after 6 months, must scrub up well enough that I look fairly respectable when riding clients horses, must cope with all yard duties...
I think if I were you I would be looking to leave. You don't need facilities to school a horse and it is supposed to be for pleasure. Be sure when you leave you tell the YO exactly why You're leaving. I would be furious if I had clients causing others to leave. In the meantime there's been...
Don't forget flies and fluctuating grass sugars upsetting lami prone ponies. In winter if I don't feel like riding it doesn't matter, last week I didn't ride for a couple of days and pony ballooned, cresty neck, pulses... midges are annoying already (thank goodness I don't have a sweet itch pony...