For Splined Sprite Anim, the price is based on Length, Complexity, and if the Sprites are Custom; drawn sprites of your OC vs existing sprites from UT/DR, Mario Luigi RPG, Sonic Advance, etc.
TLDR: Price based on the work required. Drawn background to any Anim is free :)
If you watched my video and then proceeded to check out my page, I genuinely cannot thank you enough!! An hour of me is kinda lot and you also had to actually leave youtube to read this, the effort does not go unnoticed! ๐ซถ