Mario Rosario (Mario), a permanent resident in Hong Kong, owns a small wine cellar in Central selling top-end wines and Scotch under the name Mario & Company. Joseph Lai (Joseph) would like to invest in Mario & Company. In a conversation with Mario on 3 February 2016, Joseph said:

I think your business is good. Thats why I want to get involved. But I dont want to be a partner. What should we do? I know nothing about the law.

Advise Joseph on what can be done to invest in Mario & Company without becoming a partner (i.e. a partner in a partnership). Also advise on the advantages and disadvantages of not forming a partnership.