Usually, only through the intervention of government in the form of low-income property improvement grants and rental subsidies can marginal properties in marginal areas be made profitable.

What the gurus are trying to sell is someone with marginal borrowing capacity, little cash, and no experience being able to use “the (name of guru) method to purchase unlimited properties using none of their own money, with bad credit and no experience.  

From a contractor's point of view, investors are the lowest-margin clients, and often the highest-maintenance ones.

I market my rents marginally below FMR to intentionally remove the tenant's motivation to relocate - - it would cost them to move for any reason!

If you don't need him to sign loan docs with you, you're giving away too much - overpaying for their services by a good margin if he/she is taking a full GC fee too. 

Sometimes, these deals may lack the margins necessary for a prudent investment.If you ever need assistance evaluating deals to determine their suitability for your investment goals, I'm more than willing to offer my expertise.

I wouldn't enter into anything with that unless the deal has lots of margin. 

Many wholesale deals don't make sense, the margins are just too thin.

There is typically a 10-20% margin between assessed values and market values with 1-4 unit properties in the Twin Cities - but if the property you're offering on has a larger than normal gap between the two values, plan on some increases in the following few years.

Property management companies work on a small margin, and the amount of time and overhead it takes to deal with maintenance pushes them to require a percentage of the maintenance.