A blog isn't mandatory, but it's one of the few channels that keeps compounding for free once it's built - each post is a chance to rank for a specific homeowner question, and unlike ads, it keeps working long after it's published. For a remodeler with limited time, even two or three genuinely useful posts a month, answering real questions homeowners actually search, outperforms a dozen thin, generic ones.
The honest tradeoff: it's slow. A new blog won't produce leads in the first month. But over six to twelve months, a modest, consistent posting habit becomes a real, low-cost lead source - which is exactly the compounding effect that makes it worth the patience for a business planning to stick around.