The price of lumber is not going back to levels seen before the pandemic and will continue to see a steady increase in the next few years, according to Mace McCain, chief investment officer at Frost Investment Advisors.  "We are going to have sustained demand," he said.  McCain said the trendline for lumber will see a sustained 5% rate increase, folding in transportation and labor costs as well as inflationary pressures.  Lumber futures rose 4.86% on Wednesday, to $646 per thousand board feet. They're currently 62% below their record high of $1 ...