Take the path of least expense.

Can you paint? If so, do so. Behr paint is decent, and not all that expensive.

Get some posters of things you like and some poster frames from Target or Walmart to add your personality to the rooms.

Thrift stores and garage sales are a great place to find various types of knick-knacks to add a homey feel to your house.

Take things with you that are meaningful, pictures, music, books, any mementos that bring joy.

Unfortunately I am unable to paint in the home but I like the idea of using fabric and maybe just hanging it in the wall....thanks for the suggestions :)