<prompt> Human: I recently started a new job. I have an old 401k from two jobs ago with Fidelity that I never rolled over but I had really good experience with their customer service so I never wanted to. My most recent job which I left had their 401k plan with Prudential. My new employer offers 401k through Fidelity also. I have heard that one of the primary considerations are the fees that they all charge and that Fidelitys are high, but I honestly dont understand how all the fees are broken down. So overall my question is should I consolidate all the 401ks or leave the one with Prudential where it is and at some point roll over the Fidelity ones over there?  <response>: I have heard that one of the primary considerations are the fees that they all charge and that Fidelitys are high,Fees within 401k plans have very little to do with the provider and everything to do with how good of a deal your employer has negotiated with that specific provider. One employer plan with Fidelity can be low cost while another could be outrageously expensive.You should have the fee disclosure statement for all the plans youre enrolled in. What kinds of fees are you being charged? What are the expense ratios on the available funds? but I honestly dont understand how all the fees are broken down.Get the fee disclosure. Plan sponsors now have to provide them by law. So overall my question is should I consolidate all the 401ks or leave the one with Prudential where it is and at some point roll over the Fidelity ones over there?Knowing absolutely nothing about your situation, its likely youll want to roll over your old 401k plans into a Traditional IRA.But, get the expense information first. Its possible that youre in a plan with very low cost funds, in which case you should leave the money alone. 