Usually, web development can be a moneymaking speculation that can increase your tax income if you know how to do it.
First of all, it is important to get yourself a formal advanced education therein particular discipline in order to become a qualified web developer that is provided by some online licensed colleges. When you have completed your studies, you would like to gain more experiences by working under an organization that needs your expertise. If you have qualities of a business owner, you can actually start your own business. For business startups, it is reasonable to build an emergency fund so that you can have some money aside for any dangers which can possibly occur in any business.
Therefore it is wise that you keep your day job before the business is well-established and it could generate income on long term ground. Other than that, keeping your day job allows you to gain more influence over customers because you will not sound that "hard-sell" to your customers. Besides that, it helps you to lessen your burden particularly when you start a new business and you are required to overcome some sudden problems.
By having enough relaxation, you will be able to produce excellent results. 
Like any enterprisers, you need to sketch out a business plan that includes your aims and goals and the kinda niche market that you want to target. In terms of setting rates for your services, you can either charge your customers either by the project or the hour. You can even bring in other criteria like set pricing and sliding scale. Flat rates are good for most people and can make things easier to handle.
In the field of web development, it has an immense demand from various people who want to make appealing and interactive personal or company websites. Therefore, web development has a bright career chances for potential web developers including moneymaking income if they have proper education and vast experiences in web development.
Contact me freely to start the initial development and get free book from me.