Invest in one of those vacuums people plug in and use for their car. Use the nossle to clean baseboard , window seals and such. Rent a carpet cleaner from Walmart for carpets.

Start decluttering before you start wiping down. Then throw things out you don't use.

Then start one room at a time. Get scentsy wax warmer and the humidifier thing you can put oils like lavender, tea tree etc.