No, Goodwill and Walmart are two different companies.
To bid in Goodwill auctions one needs to go to the 'shop goodwill' website. One needs to register an account with them and then be able to make bids for items online.
It is two words. Writing it as one is acceptable in the UK and is referred to as a "Britishism." But in American grammar, it is always two separate words.
Two words - "one day".
They are two words conjoined to be one.
"After school" is typically written as two words.
It is two words take it from a 7th grader
The term "in touch" is considered to be two words.
I recommend class work, as two words.
It is two words.
Two words.
It is two words.