Bangor-based independent contractor Shaun Crockett’s big summertime moneymaker is building new decks for his clients. Last year was among his most profitable years ever, and this year is already shaping up to match that success. That’s despite the fact that Crockett, along with contractors and DIY home renovators nationwide, has had to contend with the price of lumber and other materials skyrocketing over the past year, as well as scarcity of many products. “Everybody is scrambling to get what they need from this store and that supplier,” Crockett said.