Part 1 - The most relevant Model Rules and ethics opinions as well as the different types of fees that can be charged in keeping with those rules.
Part 2 - Fee agreements and the key provisions you may want to include to both meet your ethical obligations under the Model Rules and make it more likely that you will get paid for your work.
Part 3 - Invoices and billing best practices and some policies and practices you may want to put in place for your practice to both meet your ethical obligations under the Model Rules and make it more likely that you will get paid for your work.