DME has some tips on extended Memorial Day Sales see below:

1. Appliances

Best Buy  and Lowe’s has up to 40% of selected appliances.

2. Home Goods 
Birch Lane has 15% off many home goods item such as furniture, rugs and wall art.

One Kings Lanhas 20% off many home goods items as well.

Target has up to 30% off home good items.