What’s the easiest way to pack up the house for moving?

You can get moving boxes and packing material for dishes at Home Depot.

Start with the things you won't need until after the move, seasonal clothing, extra bedding, etc. Keep each box only to one room to keep things more organized. Label the boxes before they are moved out of the room they will go into. Make sure you leave out what you will need in dishes, glassware and utensils for a couple of meals. Box up knick knacks, books, etc. as they will not be needed and you can get that done now, instead of rushing. Pack up everything off the walls, etc. and get them out of the way. Leave enough clothes to get by until you are moved and pack up the rest. Leave boxes in bedrooms incase something is needed out of them. Store finished boxes in a less used room somewhere to get them out of the way. Watch the weight of the boxes, some can get heavy real quick. If you start packing early, you can be rid of an awful lot of the packing before you need to start packing in earnest just before the move.

one room at a time.sort your items, decide if you want to take them ,donate them or sell them.Lable each box and set aside.

start in one room at a time, start with drawers, closets, cabinets, etc. pack up items and write on box was is inside and which room it belongs in

I haven't moved in many, many years, but I have read to always have the sheets etc. for beds in a very handy place so that job can be done immediately in the new house.