I was a Guerilla Recording engineer, using any spoace availabe. We got by, but the results were less than stellar and oftimes lackluster. I learned, I adapted. When it was time to build my 1st personal deal (Mobile Recording Truck) I used every ounce of experience and knowledge I could find to build a truck I could get great recordings from (because the acoustics were as close to right as I knew how, etc.... #1 reason why I say Auralex is BS.
Take advantage of this advice and slow down a bit to get it right...... Cutting corners IMO is when you are broke, but if you take some time you can find inexpensive ways to get it right.
Realize I was "broke" when I built this studio, I lost a lot of major contracts and went from $110K/year as a freelance A/V Tech, FOH Engineer to $600.00/month barely find a gig....My wifes 1st Album paid for our Studio(s). Blood Sweat tears and eating in everyday...The End result was well worth it.....911 was a PITA - Cost me a Major touring gig with a VERY well known Young artist. We were scheduled to Hit Austrailia the weekend after 9/11 and of course air travel was suspended, by the time they regrouped (45 days later) a new crew of guys had organized a US tour for this artist and replaced myself and the other engineer slated for the tour with their "in house" engineers.... Life is a....
The studio I built that is in those pics cost me a total of 4k in materials after all costs were counted. I actually disassembled part of it cuz I did it wrong and I didnt want the headache later.....
Trust me it is worth it. A good room/rooms will improve your hearing more than you can imagine.....