Keep in mind what works for me may not work the same for you.
I tend to start my weighted exercise routine in the morning with 10 - 15lb dumbbells and sometimes 25lb usually after in late afternoon and i dont really count reps or sets: I do shoulders, biceps, triceps, traps, chest, back and squats. Each session can last up to 20-30 min.

Just to note i've gotten stronger and my stamina has increased a very good amount. For instance, and not bragging here, i can do 40lb dumbbells incline bench press 28 reps first set and before my transformation(unfortunately no before photos) i could only do around 17 reps.