What does Odoo CRM do well? Being able to integrate all areas of the business under one software package.
What does Odoo CRM not do well? Complexity and documentation.
What do you wish you had known about Odoo CRM before using? The complexity of setup Odoo does quite a few things better than other software but also is very complex. While it has the ability to do 99.8% of everything a business wants, it can take a bit to get it where you need. The benefits are when you get it where you need it does run smoothly.