For the next two weeks, author David B. Loeper will be answering your 401(k) questions in our forum. If you have any questions about your 401(k), here's a good time to get some free expert advice from a top author.

David is the author of Stop the 401(k) Rip-off!: Eliminate Costly Hidden Fees to Improve Your Life. Here are his credentials:

• David's book is the number one bestseller in Amazon's retirement planning category, and it has also been in Amazon's overall top 100 bestseller list.

• He has been quoted in news sources such as Bloomberg, Christian Science Monitor, Dallas Morning News, The Examiner, and TheStreet.com.

• According to his bio, David earned the CIMA® designation (Certified Investment Management Analyst) from Wharton Business School in 1990 in conjunction with IMCA, and once served on the Investment Advisory Committee of the $30 billion Virginia Retirement System. He is also the founder and CEO of Financeware Inc.

David has already answered several questions in the forum, including:

• What kind of hidden expenses should I look for in my 401(k) plan?

• Can I cash out of my 401(k) before retirement age? What are the penalties?

• What are the common mistakes people make when managing their 40(k) plan?

• Rollovers: When you leave a company what things should you be aware of in moving the funds (selling them, transferring them, etc.) to another account?

• When is it appropriate to rebalance/reallocate assets in my 401(k)?

• How do I convince my employer to check my 401(k) plan for excessive fees?

• My TSP offers Lifecycle funds. Are they a good idea?

• Should I care about my fund's track record and how do I check it?

• How to pick between a 403(b) and a SEP-IRA.

We will also be giving away free copies of David's book to people who post questions in the forum. To enter the contest, simply post a valid question or comment in this thread. Each week we will hold a random drawing to give away 1-2 copies of the book.

[Legal disclaimer: Mr. Loeper is not affiliated with Wise Bread in anyway nor have we verified his credentials. Everything posted on Wise Bread is for informational purposes only and not intended as legal or investment advice.]