===== pot / box =====
  * whisky barrel - 25"
    * https://www.canadiantire.ca/en/pdp/whisky-barrel-planter-assorted-1591155p.html#srp
  * **quikrete fence and post (no mix)**
    * https://www.canadiantire.ca/en/pdp/quikrete-fence-post-concrete-mix-0492562p.html#srp
  * Drainage holes
    * at cement level
    * center of bottom of pole
  * **Castors attached to bottom?**
    * sleeve nuts
    * **threaded inserts M10x25mm**
  * top surface?
    * planter?
    * table top?
      * wood choice? https://www.youtube.com/watch?v=dmFB21npraI
      * https://sherwoodlumber.com/the-9-types-of-plywood/
  

===== Castors =====
Planter caddy
https://www.amazon.ca/Plant-Stand-Inc-14410-14-Inch/dp/B001F5RSP4/ref=sr_1_20?dchild=1&keywords=planter+caddy&qid=1623736926&sr=8-20
https://www.amazon.ca/gp/product/B001F5POIW/ref=ox_sc_act_image_1?smid=A3DWYIK6Y9EEQB&psc=1

tire dolly - 25"
https://www.canadiantire.ca/en/pdp/motomaster-heavy-duty-tire-dolly-creeper-300-lb-0091506p.html#srp

**Actual castors to screw into wood bottom**



===== Pole =====
  * PVC pipe?
  * hole at bottom for drainage
  * pins at bottom to anchor to cement
    * pvc flange
  * pin to anchor to umbrella
    * **trailer hitch pin clips**
      * https://www.homedepot.ca/product/paulin-3-32-inch-x-2-1-2-inch-hitch-pin-clips/1000126889
      * https://www.amazon.ca/s?k=trailer+hitch+pin&ref=nb_sb_noss_2'

  * **Umbrella cap / table hole**
    * https://www.homedepot.ca/product/hdg-umbrella-table-ring/1000752299
  * umbrella cover 
    * https://www.canadiantire.ca/en/pdp/tripel-patio-offset-umbrella-cover-0881945p.html#srp