There's no substitute (unless you have piles of cash).

I would put clause in there where they're responsible for the entire duration of the lease in the event that a substitute tenant isn't found.

Your planning and management capabilities will determine how much work it will take to achieve your goals.There is no substitute for thorough due diligence, thorough tenant screening, a solid lease and healthy reserves.

I don't see any decline in prospect quality on Craigslist.One thing that can happen with Craigslist, which I've seen personally just once in 20 years, is that a scammer can copy your ad, substitute different contact information and claim to be out of town.

That sounds just like me a few years ago, but substitute "Estate Auction" for "Craigslist". 

There is no substitute for your own eyes on a deal.

There is no substitute for this in my opinion and is something beginner investors overlook as an advantage of the house hack strategy.3.

Appointment of Substitute TrusteeBank appoints a local trustee (law-firm) to start foreclosure; typically a couple of months before the actual foreclosure proceedings7.

Although it can take some time to build your book of business, I'm a big believer that there is no substitute for experience.

One thing to look out for, if your lender recommends using a appraisal substitute (where an REO agent comes to view the property instead of a real appraiser and then sends him their findings so he can complete the appraisal, run) generally these agents are terrible & doing this because they can’t make a living selling homes.