A good mid-century modern sectional changes how the whole room works, turning an awkward corner into the place where everyone actually wants to sit. Getting the price down usually comes down to timing, since holiday weekend sales are when furniture stores drop their margins the most.
Before you commit to a single store, get quotes from at least three different makers or showrooms for something similar. Showrooms will often match a competitor's holiday price if you ask, and comparing delivery fees keeps the total cost from creeping up past your budget.
That 18-month window is a hard deadline, not free money, and if any of the balance is still there at the end, the standard interest rate kicks in on what you bought.