Once you get going and become more busy you can weed out those that are high time low return.Some good ways to screen potential clients.Ask for proof of funds or preapproval letter.Ask what their purchase timeline is.P.S.ADVERTISE,ADVERTISE,ADVERTISE,ADVERTISE,ADVERTISE

On a loan this size I find limited time offer sales tactics quite off-putting. 

In the world of craigslist and outsourcable background/credit checks, they're not that hard to find or screen.  

Please re-read the content on our website and your comment above - "Renovated comparable properties in the area have been known to sell for as high as $90,000 with a recent sale across the road selling for $48,000".Please see screen shots below:All of the recent comparable sales you mention are foreclosures.

This month there are 3 and next month probably another 5.Is it going to be more economical to go and buy the glass cutting equipment, which isn't actually too expensive and buy sheets of glass or perspex which I cut to size myself?

It all depends on the size, condition and materials used.  

I can probably get $1100-$1200 per month on a new similar sized rental, drop the insurance costs in more than half, and get rid of pool and lawn care.

Stay on this site read all you can, listen to the podcast, you will find that every one is in different situations and there is not a one size fits all plan, it will be up to you to determine your strengths and weaknesses to determine what niche you have.

The cost of other (non-new construction) houses in the neighborhood have no relationship to the cost you'll incur to build a new house.Your costs will be based on a lot of factors:- Location- Level/type of finishes- Style of house- Size of house- Whether you GC it yourself or hire a builder- The types of contractors you use- Your negotiating ability- How strategic you are with your designs to keep costs downI've built houses for $60/sf, and I've built similar houses in other locations with different contractors for $90/sf. 

She is responsible for finding a roommate she wants and then I put that person through my normal application/screening/background process before they sign a 12 month lease.