The lender might be still in "sales mode" and you may not be aware of all the underwriting requirements need to qualify or restrictions on use.  

The proposed rules would require these intermediaries to: Provide investors with educational materials.Take measures to reduce the risk of fraud.Make available information about the issuer and the offering.Provide communication channels to permit discussions about offerings on the platform.Facilitate the offer and sale of crowdfunded securities.The proposed rules would prohibit funding portals from: Offering investment advice or making recommendations.Soliciting purchases, sales or offers to buy securities offered or displayed on its website.Imposing certain restrictions on compensating people for solicitations.Holding, possessing, or handling investor funds or securities.The proposed rules would provide a safe harbor under which funding portals can engage in certain activities consistent with these restrictions.

Some will have deed restrictions that will prevent you from wholesaling the property (at least traditionally). 

Leveraged IRA/401k investments don't restrict your personal ability to borrow.

Are there any restrictions to flipping or wholesaling a Fannie Mae homepath home?

These hurdles are self imposed and limitations you are setting for yourself.  

. , seems like this maybe indicative of future dealings.It is not uncommon at all to restrict a potential buyer who has not submitted an offer and is not in contract to purchase to limit their inspection of the property to vacant units.  

Yes, like a Tax Lien.If foreclosure is not initiated then the bundle of rights and interests stays the same as when the Lien was granted (Mortgage) or imposed (Tax).  

It is also restricted by the amount you can prove you make from tax returns. 

You're likely confusing the FNMA REO/short sale resale restriction which prohibits a resale or mortgage for Moore than 120% of your purchase price, for 90 days.