Originally Posted by
Al1943
Unless the frame is really special it's far less expensive to buy a complete bike if it fits and if you like it.
++ If you have to ask what order to build a bike then you are very likely missing the knowledge needed to choose the best components for your needs. The only reason to pay the considerable cost penalty for building a bike from scratch is to get what are the best component choices for you. In fact, even the frame you choose requires significant knowledge to get it just right.
This time of year is one of the best to get great deals on whole bikes. I was a mechanic for over 20 years, and raced, toured and commuted as well. I also was experienced at fitting folks to their bikes and helping in component selection. Even though I had all the skill and knowledge necessary to build a bike from scratch, it made no economic sense (now that I have to pay retail) to do so. Instead I chose a bike that was the closest to what would be my ideal for my budget and then changed out saddle, bars and stem, tires and pedals. **Note that what I changed were mostly parts that affected how my body interacted with the bike. I then was able to sell most of the parts I changed out, for a low net cost.
You very probably also are not fully aware of what needs to be considered so that everything is compatible. A bicycle is a deceptively complex machine where threads, angles, diameters, tension, geometry and more have a critical effect on whether parts work well together and deliver the performance and durability you need. You can ask for help as you go, but much of what you learn will not be applicable to everyday maintenance, which is where you will spend 95% of your time. The same goes for some of the tools required for assembly.