Zoho CRM is one of the most affordable CRMs in the market, and one of the best (Bst CRM choice in 2018). Zoho offers a forever free version of the CRM that you can use to manage your business. The Enterprise version allows for true marketing and process automation and only costs $35/month! Start by creating a free account here: https://www.gravitym.com/web-services/zoho-crm/