When Brandy Baxter needed to replace her home’s entire heating and air conditioning system several years ago, she asked contractors if they offered deals at certain times of the year. She learned that if she waited until February, the slow season for such work, she could get a lower price. Baxter, a financial coach, based in Dallas, says she saved around $6,000 as a result. When it comes to saving money on big purchases, sometimes timing really is everything. Taking advantage of certain holiday weekends and seasonal discounts can lead to significant savings, which is especially helpful with inflation continuing…