Update purchase notes

Author: NuclearPhoenixx

README.md

@@ -42,13 +42,10 @@ Here are some of the most important specs:
 
 ## How To Get One
 
-- For quick access and purchase of all the parts (PCB and BOM), you can use [Kitspace](https://kitspace.org/boards/github.com/opengammaproject/open-gamma-detector/). Otherwise, use a PCB manufacturer and an electronics distributor of your choice and proceed on your own.
+* For quick access and purchase of all the parts (PCB and BOM), you can use [Kitspace](https://kitspace.org/boards/github.com/opengammaproject/open-gamma-detector/) (may be outdated!).
+* Otherwise, use a PCB manufacturer and an electronics distributor of your choice and proceed on your own. All the files you'll need can be found in this repo.
 
-- The fully assembled main detector board can be purchased on my [Tindie store](https://www.tindie.com/products/28827/). With your purchase your are also supporting me in my efforts to maintain and improve this project, thanks!
-
-<a href="https://www.tindie.com/stores/nuclearphoenix/?ref=offsite_badges&utm_source=sellers_NuclearPhoenix&utm_medium=badges&utm_campaign=badge_large"><img src="https://d2ss6ovg47m0r5.cloudfront.net/badges/tindie-larges.png" alt="I sell on Tindie" width="200" height="104"></a>
-
-**In both cases you will also need to buy a SiPM (e.g. the MICROFC-60035-SMT-TR) and scintillator (NaI(Tl) recommended) separately at a distributor of your choice.** You might also want to grab one of the countless SiPM breakout boards I made.
+**You will also need to buy a SiPM (e.g. the MICROFC-60035-SMT-TR) and scintillator (NaI(Tl) recommended) separately at a distributor of your choice.** You might also want to grab one of the countless SiPM breakout boards I made.
 
 ## Working Principle