However thousands of investors use their own, so why reinvent the wheel?

Sometimes the wheel can be reinvented.... 

You're not reinventing the wheel, simply follow someone's formula and replicate it.

Don't need to reinvent the wheel, right!?

No sense in reinventing the wheel. 

No need to reinvent the wheel.

Cheap and fast is the best option.You could try the laminated solid wood top but they will likely set it on fire which will probably cause more trouble than you need.Your market is what it is and there is no point in trying to reinvent the wheel.

I have learned that sometimes its not necessary to reinvent the wheel ,is there anything i'm missing?

I have been in Commercial Real Estate Lending Industry for about 30 years, and like so many others, was greatly affected by the Banking Industry Fallout and have been reinventing my self on the Brokerage side of the industry. 

Let's stop Washington from becoming the overdeveloped landscape that so much of California has become and reinvent housing standards for all Americans.