As one of its daily deals, Dbroth via Amazon offers Prime members the Ivation Thermo-Electric Dehumidifier, model no. GDM20, for $34.99 with free shipping. (Non-members can spend $49 to qualify for free shipping; otherwise, shipping costs $8.42.) That's the lowest total price we could find by $5. It features a removable 16-oz. water tank, washable air filter, and indicator light.
Also available is the Ivation Powerful Thermo-Electric Dehumidifier, model no. IVADM35, for $63.99 with free shipping. That's the lowest total price we could find by $19. It serves double the area of the above model. Both deals end today.