I used to be all about percentages, excel spreadsheets, delta principles, and calculating weekly volume basing on the current phase of mooncycle or my dog's tail length divided by the diameter of the kettlebell handle, but now I am more about just putting quality work in - work up to a heavy set with a barbell, do as many quality ladders with a kettlebell in alotted time, do some emom snatches or clean and jerks, walk with additional weight for the duration of a podcast. Just cover a given modality (strength, power or endurance) once-twice a week - that's enough. Just staying with one exercise for enough time to progress in it.