First of all, the buyer normally does not pay the agent or broker that is representing them, the seller does, unless there is a specific buyer/broker agreement in place that specifies compensation from the buyer to their broker.
If you taking he test next week and assuming you pass, it can take weeks or more to actually get your license and then assuming you are taking the salesperson test, need to work for a broker. A salesperson can not do any real estate transactions on theor own, it must be under a broker.
That all being said, you should not do an end run around an agent or btroker that has shown your a specific property and worked for you.
If you want to do alot of the work on your own, I do have a program where a buyer can get a rebate as a percentage of tyhe commission paid . I Can give you the details if you contact me directly.
I will not do it on a specific property if another broker has already shown you the property or if there is a buyer/broker agreement in force.
OIf you have founmd the properties yourself, it may be a different situation