Automation ring with priority based execution

Learnigns from my new project:
Automation Ring

R0- automate P0 s first 2 % of test cases should not take more than 5 min to run the automation .
R1- BVTS next 15% test cases should b automated -should not take more than 15 min to run
R2 - p1s function next - should automate 60% test cases- should not take more than xx min.
R3- Non functional like performance ,stress,load ,security ,localization ,Accesibility etc - should not take more than 2 hrs to run
R4- corner cases.