You can work as a mystery shopper for number of big brands. As a mystery shopper, you have to visit different stores, restaurants, theatres, hotels, hospitals etc. & do some shopping or buy their services.
While shopping, you need to check number of things like checking the behaviour of the staff, your comfort level as a client & your overall experience as per the instructions of the company.
All your expenses will be paid by the company & you will also get paid by the company for doing the work. Sometime you can keep the items you have purchased.
There are number of mystery shopping companies, we will send you once you signup free.