Adding an attic ladder and reinforced flooring changes how you live. You stop tripping over seasonal bins and holiday decor because everything has a dedicated home upstairs. The actual installation usually takes a professional team about two days to frame the joists and secure the ladder.
Aim to book this work during the spring or fall. Contractors are often less slammed than they are in the summer heat, which can save you some hassle and occasionally land you a better rate on labor.
Remember that the 18-month window is a deadline, not a gift. If you still have a balance on the card once the period ends, you will start paying interest on the remaining amount, which will quickly make the project more expensive than you planned.