You can obtain lists of homeowners from various sources (like public records or lead generation services) and then make calls to inquire if they’re considering selling their property.

My goal is to generate cash flow, no knowledge on how to increase the NOI, no experience in house flipping, just some cash from inheritance.

While you might not build as much equity as you would with a fixer-upper, you can start generating income right away.

Rent out ROOMS in the other units to generate more cashflow than you could by renting out the entire unit.

I have heard mention of some investors contacting local title companies and having them generate these lists for only a couple of dollars.

I am a current customer.

Based on your information, it may appear no2) The second question is whether the property will generate positive rental income over a 3-5 year period, after normal depreciation.If it is, and it is significant, it may be worthwhile to get a cost segregation.

I'm starting to look a business like vending machines and laundromats as a way to generate cash flow but I've heard it takes a lot of work.

There's been probably a dozen times the customers have just done something that needed to be attended to in a timely fashion-- not life or death-- but definitely problem some. 

Fixer-uppers offer higher returns, lower prices, and more customization but can be time-consuming and stressful.