Detroit is literally one of the, if not THE, best markets you could be playing in today.

You may end up with a little more vacancy today because you stuck to your guns but if your criteria are solid you will have better overall results in the long run and investing is for the long haul.

Are there banks or financial institutions that would grant a loan at less than 25% down, say 10% for someone with exceptional credit? 

I'm really sick today with a nasty cold, etc. 

I know of. very big HML that was funded by a billionaire with just 100 million to start, it was like 15 years ago and they are still around today and doing billions per year in loans. 

You’re not at a real decision point today, so buy yourself time and see how long your luck will last.

After catching the investing bug, I flipped my first property and turned it into a rental—which I am still renting today!

It's easy to get bogged down by too much software in today's world.

If the assets makes financial sense to keep otherwise, hiring a PM solves your problem and allows you to keep a performing asset.

A really nice home with some extra touches (a little granite, better flooring, nicer paint job, nicer cabinets, etc.) compared to the area will make potential tenants fall in love with the place.  2) Tenants that bring or can swing their own appliances are more financially stable (or just stable in general, ha!)