Here are the top frugal finds this week in and around Wentzville.

Wentzville

• Jazzercize — Try out a class for free on Free Fridays during the month of March. Offer expires March 28. Located at 5293 Quail Ridge Pkwy (636)248-8259.
• Charlie's Farm & Home Center — Get all four steps of Scotts four-step annual program for $79.00 (5,000 square foot bags) or $199.99 (15,000 square foot bags).
• Dierbergs — Get your Irish on! A complete corned beef beef dinner, including corned beef, steamed cabbage, potatoes and baby carrots for $6.99 per person. Colorado premium point-cut corned beef brisket is on sale for $2.99/pound. Offer valid until March 20.
• Lowe's — Load $500 to $4,000 on a Lowe's tax refund card before March 14 and on March 18, Lowe's will add 10 percent of the original card purchase back onto the card. Offer valid for card purchases on or before March 14.

Lake Saint Louis

• Old Navy — Get woman’s tanks for only $5 (originally $6.50-$12.50) and men’s and woman’s short sleeve tees for only $5.

St. Peters

• Burger King — Tuesday night is Family Night at the St. Peters area Burger King restaurants! Burger King has $0.99 kid's meals and Whopper meals for $2.99 from 4-8 p.m. Tuesday. On Friday get a BK Big Fish meal (fish sandwich, small fry and a small drink) for $2.99. Mention that you saw the offer on Patch and get a "buy one get one free kid's meal anytime in the month of March."

All over

• Steak 'n Shake — All shakes and drinks are half price from 2 p.m. to 4 p.m. and 2 a.m. to 4 a.m.
• National Air Duct Cleaning Corp. — Winter special duct cleaning is only $37 ($180 value). Call 314-447-3828 or 888-447-3828 for details.