He told me he owned a few mobile home parks in town (they were large and had high lot fees) and this is what sparked my curiosity.

@Deirdre Lizio see a lot of competiting PMCs start with a pledge of doing it better than "what's out there".Always interesting to revisit them 3-5 years later - after they've experienced the reality of challenging tenants AND owners.Look no further than Evernest: they started out with flat fee management at $99/month and promises of better & fairer service & pricing.Now they're at 10%, capped at $199/month - wonder what changed?

., realtor fees) and documented remodel expenses ($50K).

Without accounting for management fees (I have not yet decided if I will try to self manage), and with planning to raise rents to typical market of $825 for each of the smaller units, and $1200 for the larger unit, does this seem like a worthy first investment? 

No fees, no pre-pay.

The last time I stayed in one, I was charged a large cleaning fee and then met with a list of what to clean prior to us leaving.

Account for all costs, including closing fees, holding costs, and repairs.

Have you considered a flat fee MLS listing as a way to gauge interest and possibly sell?

However, if that effort fails, the local agent is equally liable – criminally and civilly – for any fees, fines, etc. associated with the property." 

HOA fees, in particular, seem to be the biggest hurdle.