Avionics? Radios? The pipers use smoke signals from the engines. HSIs? Some planes didn’t have a heading bug. After decades the planes didn’t exactly demonstrate positive flight characteristics. You are single pilot in all the weather of the local area 5 days a week on terrible sleep. This will be the most challenging flying most will ever do who do it.

+1 Your seat is sopping wet and so is your ass for your whole “day” If it rained.