> 1 hour a day for 3 days a week will get you to "pick up 400 pounds off the floor with relative ease" within a year.
Do you have a link to a particular regimen that worked for you?
Do you have a link to a particular regimen that worked for you?
[1] http://startingstrength.com/
[3] https://www.muscleandstrength.com/workouts/jason-blaha-ice-c...
As you mention kettlebells are fantastic for conditioning but are not the best tools for getting stronger because you can't (easily) progressively overload the amount of weight you are lifting like you can with barbell training.
I would recommend finding a reputable gym (e.g. be wary of CrossFit - some are great, some are cash grabs by people who have no idea what they're doing), and pay a trainer for a couple sessions to make sure you have your form right. Having improper form won't really matter when you're starting off with low weight, but as you go heavier it becomes very important, and you don't want to have established bad habits.
It's a good 4-days workout program. The goal is to gain mass but it does so by improving strength and endurance, setting up a strong foundation for future workout.
A day took me around an hour on average.