<prompt> Human: can i move them around like stocks or am i committed to a length like a cd? im afraid of the market suddenly bubbling out and wanna move them into something secure like TIPS if things go awry...  <response>: im afraid of the market suddenly bubbling out and wanna move them into something secure like TIPS if things go awry...Market timing is a bad idea.You need to read the long-term investing start-up kit link in the sidebar. 