One way that Paul could make a permanent Goldwater-style mark might be to set forth a series of detailed papers on what he will do to fix specific domestic issues, such as health care or the borders problem. Make these specific enough so that years from now, they can be Googled by people, surrounded by the wreckage of Democrat and Republican policies, who want to try something new.
He's way ahead of you:
LOL!!
I think he already did that with his newsletters. It got him in a whole lot of hot water.
Perhaps he should try a different approach.