Emails are Not a Perfect Solution
Email may seem like a complete solution to manage your contacts and communication with your numbers of business clients. However, eventually, email reaches its limits in terms of analysis and automation. CRM keep all significant information in one central location where you can easily change, add, or edit customer information.
It Exposes Potential
Customers that have purchased from your company are more likely to do so again. CRM’s have features like automatic reminders and opt-in lists so you can follow up on valuable existing leads.
Categories are important
Your CRM database tells you that which of your clients was interested in your services. This can help you to develop your sales strategies. A CRM from its basic level shares categories of clients, helping you segment your audience and customize messages for them.
CRM is a Great Predictor 
CRM can give you reasonable predictions based on past performances. CRM can give you an intelligent idea what will come, you can see your past deals and make a plan how much business you expect in future.
You Need Benchmarks
It is very important for you to evaluate your past business projects. For this purpose, you need a gauge to measure your business growth and success. A CRM gives you the instant gauge on many of aspects of your business. Through CRM, you can develop routine reports as per your requirements.
Dispersion of Information
On the basis of CRM provided reports you can talk to anyone in your company about a given customer. When you already have the information then you will be confident what customer is needing. This thing will build a long time relationship.