Multiple Dynamic Rules of same type not working

Hi,

I want to create 3 different dynamic rules to be able to achieve a different version of tiered pricing. Instead of providing a discount for quantity, I want to do it based on cart totals. 

1. Give 10% discount if cart total is between $5000-$7499. 

2. Give 12% if cart total is between $7500-$9999. and 

3. Give 15% if cart total is above $10,000.

 
I have three dynamic rules set up right now but only one discount tier works at a time (when only one is enabled). I tried setting priorities, and that doesn't seem to do anything. If only one rule is enabled, the correct logic of the tier works but not if all three are enabled. Is it possible to have more than one dynamic rule of the same type work?

I've since installed a different plugin to handle automatic discount codes vs using the dynamic rule option. So the dynamic rules are now disabled but still wondering if there are limitations to the rules