Speaking from our own experience, you can’t be a passive McDonald’s franchisee. Every McDonald’s potential franchisee will need to complete at least thousands of hours of training before he/she would be approved to acquire a franchise and only if he/she has the financial resources to acquire a franchise. It could take years before one would get a single store franchise. Until the franchisee eventually has acquired multiple stores and established his/her own management team, the franchisee would have to put his/her nose to the grindstone and work his/her ass off every day. I won’t call it a passive investment by any stretch of imagination.
I just found your site & so far I like what I see. I am 50 years old & will be retiring at the end of Jan 2019. I turn 51 the following month. I will have a pension income of $60,000 per year & an additional $5,400 from a survivors benefit. I was able to save $200,000 in a deferred comp program through my employer & wish to know what to do to generate a passive income? I can leave it in the plan which will generate about 3.5% or invest it. My concern is the tax liability of taking out a large sum from that fund & leaving me less to invest. I do have an opportunity to invest in a bar/restaurant with family (my main concern) that currently generates $120,000 annually for an absentee owner. It would be a 3 way partnership if I did that. I do like your idea of creating my own product such a blog with a goal of $12,000 to $18,000 passive income I feel that may be my best option. Any thoughts or advice would be greatly appreciated.

The members and brokers that Brad recruited, as well as the members and brokers that those people recruited, were considered Brad’s “downline.” At the time of the divorce, Brad’s downline consisted of thousands of members and brokers, earning Brad a residual income of about $27,000 per month. The trial court was tasked with determining just how to divide the residual income, generated by Brad’s downline, between the two parties.
According to Uncle Sam, you need to be "materially involved" in an enterprise to earn active income. With passive income, it's just the opposite, as the IRS deems you to be earning passive income if you're not materially involved with a profit-making enterprise. By and large, expect income to be taxable if you are engaged in a passive income enterprise. You will need to report earnings to the IRS. 

If you don’t have an IRA or 401K, then not only are missing out on a great opportunity to earn passive income, but you are likely paying way more in taxes than you should be as well. By opening an IRA with Betterment, you can save up to $5500 of income without having to pay income taxes on that money. Betterment will then automatically invest that money for you using their proven investment strategies.
However, with passive income, there is not a direct connection to time involved. Once the original work is completed, the income continues to come in as long as demand for the product or service exists. Each time a song is downloaded, the musician receives money as a passive income. They did not have to record the song again or do additional work for each download, yet they are paid for their original work.
Residual income is calculated as net income less a charge for the cost of capital. The charge is known as the equity charge and is calculated as the value of equity capital multiplied by the cost of equity or the required rate of return on equity. Given the opportunity cost of equity, a company can have positive net income but negative residual income.