The short answer
Trade-in availability depends on the home and the current retailer policy. Confirm it directly with Magnolia Estates of Cullman before building a purchase around it.
Have the home information ready
Be prepared to provide the year, manufacturer, model, size, title status, location, condition, photos, liens, and whether the home must be moved. An inspection or other records may be required before anyone can discuss value or eligibility.
Keep removal and any loan payoff separate
If the home is accepted for consideration, ask whether the proposed value includes removal and who would handle an outstanding loan. Do not treat an estimated trade value as money available toward the new purchase until the terms are confirmed.
Coordinate where you will live between the old home leaving and the new home being ready. Keep the trade, removal, and replacement-home schedules in writing, with a clear explanation of what happens if one part is delayed.