yup this is what i do as well and it works great. i use a paint can for 3 gallon pots and a 5 gallon bucket turned upside down works great for a 5 gallon smart pot. nice vid!I made a video of an easy method for up potting with Smart Pots, enjoy
https://www.icmag.com/viewarticle.php?articleid=1135
[URL=https://www.icmag.com/ic/picture.php?albumid=65426&pictureid=1564348&thumb=1]View Image[/url] yeehaw....got milk????...