DeWalt - Best Deals and Sales at Amazon
Amazon has the DeWalt Impact Ready 10-Piece Titanium Drill Bit Set (DD5160) for $24.98 with free shipping on $25+ or with Prime. Lowe's has it for the same price.
Amazon has the DEWALT DW4725 High Performance 4.5" Dry Cutting Continuous Rim Diamond Saw Blade with 7/8" Arbor for Masonry for $5.30 with free shipping on $25+ or with Prime.
Amazon has the DeWalt DCG416B FLEXVOLT Advantage 20V MAX Cordless Brushless 4-1/2" to 5" Paddle Switch Angle Grinder (Tool Only) for $137 with free shipping.
Amazon has the DEWALT DW4528 4-1/2" x 1/8" x 7/8" Concrete/Masonry Cutting Wheel for $2.30 with free shipping on $25+ or with Prime. Good Amazon reviews.