iphone7sbuzz.com is a great domain to make residual income.
iphone7buzz.com is currently making over 100k per year and traffic is increasing as the newer iphone's are coming out.
The site is currently on WordPress and is gaining traffic as talks of the iPhone7s and iPhone 8 are coming out.
Searches for iPhone 6 (which was announced September of 2014) start at about 2 million searches a month before the announcement and steadily increasing to 9 mil in August then it gets announced in September and goes to 30 mil.
There were less than 200k searches a month for iPhone 6s when apple announced the 6s in September it went to 10 million.