We charge 125 Euro per hour for meetings, training & implementation time. The time we need to learn a new skill is on us. In general a project takes 4 - 6 months.
The first part is about what you want and involves quite some discussion and clarification.
The second part is the implementation and making it easy for the end user.
The last part is testing and improvements based on feedback.
Coding Coda is a serious job and takes time. We normally start per hour to see how it goes to evolve towards a project based approach. Regular calls / meetings are required. You cannot leave the project completely in my hands, it is a joint effort.
In my work I use all the templates I created before without any extra costs. Only the time I need to implement them is charged. I have many more templates than shown