Charleston 4 in 1 Crib in Cherry for $134.99 shipped after coupon code URTYJLI8 (search for B002738QOU).  Here is a screenshot for your reference.  It features a 4-level mattress support that provides the ability to lower the mattress as the baby grows. In addition, it can be converted to a toddler bed with included safety rail, then later remove the rail to work as a day bed.  Most places have it for about $199 or much more.