Site A = BH site
Site B = WH moneysite
301 Redirect
traffic lands on Site A and is redirected to Site B
search engine bots land on Site A and are redirected to Site B and spider the content of Site B
Cloaking
traffic lands on Site A and is redirected to Site B
search engine bots land on Site A and spider the content of Site A
In a nutshell:
Site A is keyword-optimized and it ranks high for certain keywords. The content may not be readable or usable to get sales.
When a visitor clicks on the results in the search engines it never sees Site A but lands directly on your optimized sales-page on Site B.