Is real estate investing a good idea for retirement investors? A lot of money managers think so. With real estate lending, investors can put small percentages of their 401(k)s or IRAs in a larger pool of funds, which lenders then match with budding entrepreneurs working on home flipping projects. It allows investors to diversify their portfolios without having to collect rent or renovate homes, as they would in hands-on real estate investing. – – – need comments from real estate and retirement and investment experts to comment on real estate lending as a retirement investing vehicle. Does it work? Why or why not?