He owned his previous property in his own name.The answer is "it depends." 

Also depends on if the terms from the seller is really good or not.

Depending on your financial position, you may be able to do both SFR/condo and try a small apartment through refinance of existing properties and/or the use partners.  

So go network.There are a bunch of other scenarios where someone might walk through without the charge (call 20 guys and someone may bite for a free walk through and cost estimate), but it's up to you to develop that scenario and it's unlikely to be the random contractor called off of the internet.

As far as how many to buy it depends on your goals.

The newer ones are hungry but inexperienced.When you deal with someone new, (depending on your style), micro-manage the process and follow up/follow up/follow up.  

Up keep is minimal in my view but depends on ones situation and time.

A: Depending on the provisions of the contract, if you miss a payment, but become current within 30 days, you will likely not risk loss of the property or further penalty.

I am also a marketing professional but only internet marketing.

Really depends on how you structure the deal.