Help me make my home Wheelchair Accessible

Hi my name is Mary I’m A widow my husband passed away 19 years ago. I’m a mother of four children grandmother to 10 grandchildren. Trying to raise money because I have a daughter who is very sick with this neurological disorder called Spinocerebellar (SCA 1) and  is confined to a wheelchair. My house is not wheelchair accessible  I don’t have a room downstairs I don’t have a shower.. so I have to re-designed so  my daughter is able to use the home to get around to be able to take a shower to be able to get in and out of the home... any little bit can help please .....a