Youre not paying for it, then your employer is. Anyway, This is a rabbit hole i dont care much about.
Back to the seed of this thread, you asked the community for resources or options to set up a pension type account. Were you thinking there would be free options?
I dont use unchained as im not state side but 250 seems reasonable for an assisted multi sig in a special account type. Nunchuk assisted is 125 without special account type.