To give you a very basic quick overview: Most of the time you pick an area and start a mail campaign.  

She will make a huge difference, especially when you work two jobs.As for finding buyers, it depends on what the buyer would buy.But a few sources to find buyersBandit signsDirect MailPrevious sellers (who in turn buy from you)online lead generation (various strategies)Social networking (a part of the previous)REIA groupsconversations with anyone face to face.Talking with business ownersGeneral mail advertisements (an entire neighborhood)referralsthe list keeps going on.

I purchased a property this week and immediately advertised it for rent.

Once you start your marketing campaign many leads you receive will not be of any use to you as a wholesaler.

.) + a bunch of contingencies for me to get the property properly zoned, approved, financed set-up and/or investors within a certain time frame, etc. without them turning down the offer as silly and tarnishing my reputation.If, say, a lot was advertised for somewhere around $100k, wouldn't I have to at least make some kind of "earnest" money option of 5% or ?

I can even advertise that as my gift to them.

The 60% number used for expenses might be high but you should use at least 50%.You are leaving outRepairsvacancy rateturnover costs; like inspections, advertising, rental commissions, evictions etc.

If its advertised, its not private.

It should sell itself.If I had a Ferrari F430 for 50k, how much would I need to advertise it to get 60k?

Advertise for phone calls and put the first qualified renter in place.