How would I do that - send them a formal invoice or request, or can it be less formal like a simple email? 

I would also consider "private money" from friends and family for your first deal as well - maybe offer 8-10% simple interest and see if anyone would be interested.

Also, as listed on Redfin it is a "Fee Simple Ownership", even though it's a duplexed condo unit in a 4-unit building.

You can usually find some events by doing a simple google search.

I would advise against for residential customers, since those units are simple and have straight forward maintenance that can be covered in an annual “tune-up”.

That 24-hour delay cost him a $40,000 deal that was well within his grasp.The lesson here is simple: time kills deals.

Keep it simple and keep your documents ready.

To make things simple, let’s consider the following expenses:Rental property taxes: $500Repairs and maintenance costs: $1,000Utilities: $1,200Property management fees: $2,500In this case, the total allowable expenses are $5,200.

Simple, bring on a partner, or borrow it , 

ElectricalElectrical and plumbing inspections are best left to the professionals, but there are a few simple checks that can ensure you’re not buying a total lemon.