I found this amazing review on Young Architect on why you should refuse to render, unless you enjoy and you want to spend your days doing so. It is really interesting and totally true.
Here are 4 of the 12 Reasons to Refuse to Render:
1. You Will Lose Track of Time.
You can really get lost in your modelling. A whole work day can go by without you even realizing it. Worst of all, you can spend hours on a task that you expected to take a half an hour. In the end, you will find yourself staying later into the night while your coworkers punch out at 6.
2. More Demands on Your Time.
There seems to be a very unfair expectation that employers have on the amount of time that it takes to complete a digital model. I have seen employers consistently assign a brand new 3D model to be completed and rendered for print in a two day period. While that may not seem like a short amount of time, we can easily forget that a considerable amount of time is going to be spent tweaking the vantage points and materials. Also, the employer will inevitably be requesting changes to the design or look once they see your progress prints.
3. The Employer Doesn’t Have Knowledge of the Software.
There in lies maybe the biggest problem. Most of your supervisors will be older and have not been personally exposed to modelling software. They often feel as though computers have made things more instant or automated, when the truth of the matter is that computers have really just complicated things.
So as mentioned above, the employer will give you these assignments and constantly make changes to the model before you are done. Often times, the changes that they request will require near full remodels, so they can really be detrimental to getting renderings complete. This brings me to my next point
4. You Will Find Yourself Re-doing Things Over and Over.
As you present various schemes and changes to your clients, you will find that you will have to model the same things over and over again. It is not unusual to have to go through 3-5 different drawing files in one day.
Read the rest here.