You made a classic mistake you over improved for the neighborhood..So I agree with the OP  people that are looking for owner finance deals are the one's that will over look some of these issues to get into a nice new home.Although sounds like you have a boat load of capital tied up in the home.Either that or your just going to have to do the falling knife syndrome and ride it down until someone see's value and will pay you in full for it.Other thing you could do is move into it...

Your message may be tired, your market may have shifted, your mail piece may be boring or your audience is fatigued by your frequency (the "Magic Jack" syndrome).  

Don't fall for the shiny object syndrome.

Don't wait to figure that out as you go because with the plethora of fantastic information available on this site, you are likely to become a victim of shiny item syndrome and waste a lot of valuable time.

Bil Keane (of "Family Circus" fame) used to call it the "Not Me" syndrome -- the kid never did it.

IE markets with lots of vacant homes and heavily non owner occ. .so you can be targeting tiredlandlord syndrome folks. 

Without goals you'll fall victim to the shiny object syndrome, where you keep aimlessly chasing deals (which I did). 

I call it contractor entitlement syndrome, which is rife in my small city of "artisan" GCs and subs.  

Don't get caught up in shiny object syndrome.

I would also suggest that you check out our local real estate investor groups, both Northwest REIA and Rarebird have monthly meetings and are attended by many investors, from newbie to seasoned.Like you, I tend towards the analysis paralysis syndrome, but have recently gone in on a JV partnership to purchase a lot that we will rehab and sell as well as partitioning two additional lots that we plan to develop and either build out, or sell to a builder.Good luck.