diff --git a/finance.md b/finance.md
new file mode 100644
index 0000000..c9825af
--- /dev/null
+++ b/finance.md
@@ -0,0 +1,6 @@
+# finance
+
+## purchases
+
+* https://www.etsy.com/your/purchases
+* https://www.ebay.com/mye/myebay/purchase?page=1&q=wizard&mp=purchase-search-module-v2&type=v2&pg=purchase
diff --git a/home improvement.md b/home improvement.md
index 68f226e..0591e1f 100644
--- a/home improvement.md	
+++ b/home improvement.md	
@@ -9,8 +9,8 @@
 ## hvac
 
 * Fresh air
-  * https://en.wikipedia.org/wiki/Heat_recovery_ventilation
-  * https://www.reddit.com/r/buildingscience/comments/18z9q0w/window_energy_recovery_ventilator_diy/
+  * [Heat recovery ventilation - Wikipedia](https://en.wikipedia.org/wiki/Heat_recovery_ventilation)
+  * [Reddit - The heart of the internet](https://www.reddit.com/r/buildingscience/comments/18z9q0w/window_energy_recovery_ventilator_diy/)
 * Zones
-  * https://www.amazon.com/AC-Infinity-Backdraft-Spring-Loaded-Bathrooms/dp/B0842Y637Z/ref=sr_1_8?crid=1PPHHLXZ8LID4&keywords=8%2Bin%2Bspring%2Bloaded%2Bbackdraft%2Bdamper&qid=1640711102&s=hi&sprefix=8in%2Bspring%2Bloaded%2Bbackdraft%2Bdamper%2Ctools%2C76&sr=1-8&th=1
-  * https://www.amazon.com/Tamarack-TTi-CBD8-Cape-Backdraft-Damper/dp/B008D7L8H6?th=1
+  * [Amazon.com: AC Infinity 8” Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 8” Ducting in Range Hoods and Bathrooms Fans : Tools & Home Improvement](https://www.amazon.com/AC-Infinity-Backdraft-Spring-Loaded-Bathrooms/dp/B0842Y637Z/ref=sr_1_8?crid=1PPHHLXZ8LID4&keywords=8%2Bin%2Bspring%2Bloaded%2Bbackdraft%2Bdamper&qid=1640711102&s=hi&sprefix=8in%2Bspring%2Bloaded%2Bbackdraft%2Bdamper%2Ctools%2C76&sr=1-8&th=1)
+  * [Tamarack TTi-cbd8 8 In. Backdraft Damper - Ceiling Fans - Amazon.com](https://www.amazon.com/Tamarack-TTi-CBD8-Cape-Backdraft-Damper/dp/B008D7L8H6?th=1)