buy a home

I am sorry, but I don't really have enough information to answer your question.

You can borrow from your 401k to help buy a home, but that money must be paid back with interest. The advantage is that you are growing your 401k this way, but it can be expensive.

And, the answer to your question would be largely dependent on your age and financial situation. Retiring with debt, for example, is not a great idea.

You might explore the Retirement Calculator here:
https://www.newretirement.com/Plan/Retirement_Planner.aspx

And, get an overview of retirement planning here:
https://www.newretirement.com/Services/Retirement_Planning.aspx

Or, learn about retirement risks, here:
https://www.newretirement.com/Services/Retirement_Risks.aspx