I would make sure that you're always learning and meeting people in this industry.

Weekends brings in people visiting family or going to a foot ball game and week nights is mostly contractors or other blue collar groups needing a place for the week that is nice but cheaper than a hotel.

Being an agent is a great way to fund your investment properties and get more immersed in the industry.

That’s how I started, and it’s a great way to get your feet wet in the industry without overextending yourself financially.

For sure, its important to show the real in the industry!

It explains why they are usually in the lowest barrier space within the industry (until recently not even a license was required & many still operate illegally).As a Philadelphia resident and active investor in the city I fully endorse investing in Philadelphia but only if you’re receiving sound advice. 

(Keyword research, competitor research, surveys, speaking to prospects on how they heard)If your research proves that there is demand, I would recommend you  to either hire a good agency who has proven track record in your industry or  hiring a fulltime  employee with relevant seo skills who can manage this.SEO/Paid ads with consultants or agency would be challenging as the results depends on various things such as your website, market, content, offer etc.

I haven’t heard the story of  the investor who rode the coat tails of a wholesaler to the same level of success but networking and building relationships with wholesalers seems to be prioritized over all others industry participants. 

There's an industry group for this type of construction:  Manufactured Housing Institute. 

I too, live in Delaware (Wilmington) and work in the financial services industry.