Odoo is a tool to accelerate large business processes smoothly. To develop and integrate such a vast application and maintaining it without any adverse effect to business is itself a big risk. Also, to control and maintain an enterprise system is not so simple task that can be done in overnight. So, to prevent from this risk, you need a highly skilled Odoo expert consisting of complete knowledge regarding Odoo. It is always advisable to hire Odoo consultant before implementing odoo erp.