When looking at triggers, consider pull weight, level of tolerance to dirt/water, how crisp a pull you want. You have not indicated your end use so this is merely a guess.
Many options around the 1 1/2lbs range and they go from $165 to 250, give or take. Single stage, dual stage, various styles and features... this is the largest population of options.
When you want to drop under 1lbs, costs go up in general, durability can go down.
If you want a break like an icicle type trigger, then bring more funds and likely, durability goes down.
If you want icicle, very very light trigger pull, bring the most amount of money. Definitely not durable.
So it is balance of needs
Jerry