Generally, you have 180 calendar days from the date that the first property was acquired and "parked" by the Exchange Accommodation Titleholder ("EAT") in order to complete and close on the sale of your existing property. 

I find my listings on places all over the internet from Flipkey.

Have your lender extend your closing date - this is totally possible - it would be silly for the seller to start from ground zero again, i.e. find another buyer and then wait for that buyer's financing.  

I would try to "date" before getting "married".

And, indeed, if you had a house that had nothing done to it for 27.5 years you would use words like "dated" or "deferred maintenance" to describe that property.  

I do not know the laws in your state, however in my state (CA) you'd have to go by Brother's date of death property value and determine if a summary probate is sufficient or if a full, probate estate was necessary.Your friend will need death certificates for all as well as recorded deeds and take to a qyalified real estate attorney.

.- I can offer her completely flexible dates. 

To date in 8 months I have completed 7 deals and made way more money than the time I have put into them.

The date the note is due in whole or in part4.

Use the internet to locate areas that meet your criteria.