All very powerful tools!
Sounds like you have a good foundation.
Have you read this book?:
Short, sweet, and potent book covering the stages of Shamata, highly reccomend if you havent read yet.
Absolutely!!! This practice is one of my favorites, especially before sleep, and especially if you are having trouble settling the mind or body.
@Mayra has some fantastic videos on this posted in the forums
Master Holecek says one of his favorite meditations is the Dzogchen single breath practice. 1 fully aware inhale and exhale.
Takes less than 30sec.
And you can easily perfume your entire day with these ‘treats’