Handheld vs. Tripod

When should you use handheld? When should you used a tripod? I am going to talk with you about when I use handheld or tripod and why. Let me know what you think about my choice in tools. What do you use and when do you use it?

Gear used:

C300 Mark II: https://www.bhphotovideo.com/c/product/1134579-REG/canon_0635c002_eos_c300_mark_ii.html/BI/20772/KBID/16377

Manfrotto 504HD: https://www.bhphotovideo.com/c/product/683561-REG/Manfrotto_504HD_535K_504HD_Head_w_535_3_Stage.html/BI/20772/KBID/16377

Rode Shotgun: https://www.bhphotovideo.com/c/product/367747-REG/Rode_NTG_2_NTG_2_Battery_or_Phantom.html/BI/20772/KBID/16377