large number of customers, both corporate and hobbyist,
have purchased this source code over the past 36 months.
All of them, without exception, have been up and running
quickly, and happy with the results (as of 4th March, 2018).
you are not satisfied with the source code, I offer
a money back guarantee, and am happy
to refund your money via PayPal, within 30 days.
Shane Tolmie (BEng. Elec. Hons.)
You can read through the forums devoted to this bootloader,
to verify if anyone has been unhappy with their purchase.