diff --git a/finance/operation_saylor_2/accounting/definitions.beancount b/finance/operation_saylor_2/accounting/definitions.beancount
index 1c1ddf1..dbd7b80 100644
--- a/finance/operation_saylor_2/accounting/definitions.beancount
+++ b/finance/operation_saylor_2/accounting/definitions.beancount
@@ -2,7 +2,10 @@ option "title" "Operation Saylor 2"
 option "operating_currency" "EUR"
 
 2025-01-09 open Equity:Opening-Balances EUR
-2025-01-09 open Assets:CashBalance EUR
+2025-01-09 open Assets:EURCashBalance EUR
+2025-01-09 open Assets:USDCashBalance USD
 2025-01-09 open Assets:MSTR MSTR
 2025-01-09 open Liabilities:LoanPrincipal EUR
 2025-01-09 open Expenses:LoanInterest EUR
+2025-01-09 open Expenses:Fees:ConversionFees EUR
+2025-01-09 open Expenses:Fees:TradingFees
diff --git a/finance/operation_saylor_2/accounting/loan_amortization.beancount b/finance/operation_saylor_2/accounting/loan_amortization.beancount
deleted file mode 100644
index e69de29..0000000
diff --git a/finance/operation_saylor_2/accounting/main.beancount b/finance/operation_saylor_2/accounting/main.beancount
index 7d95b11..51fd44e 100644
--- a/finance/operation_saylor_2/accounting/main.beancount
+++ b/finance/operation_saylor_2/accounting/main.beancount
@@ -1,6 +1,4 @@
-include "definitions.beancount"
 include "price_history.beancount"
-include "loan_amortization.beancount"
 include "transactions.beancount"
 
 
diff --git a/finance/operation_saylor_2/accounting/transactions.beancount b/finance/operation_saylor_2/accounting/transactions.beancount
index 9172a96..398586d 100644
--- a/finance/operation_saylor_2/accounting/transactions.beancount
+++ b/finance/operation_saylor_2/accounting/transactions.beancount
@@ -1,5 +1,13 @@
 include "definitions.beancount"
 
 2025-01-09 * "Receive loan principal"
-    Assets:CashBalance                         20000 EUR
-    Liabilities:LoanPrincipal                 -20000 EUR
+    Assets:EURCashBalance                             20000 EUR
+    Liabilities:LoanPrincipal                        -20000 EUR
+
+2025-01-10 * "Buy shares"
+    Assets:EURCashBalance                          -4845.05 EUR
+    Assets:USDCashBalance                           4955.94 USD @ 0.9776241 EUR
+    Assets:USDCashBalance                             -5.94 USD
+    Expenses:Fees:TradingFees                          5.94 USD
+    Assets:USDCashBalance                             -4950 USD
+    Assets:MSTR                                          15 MSTR {330 USD}
diff --git a/interesting/oh_shit_git.md b/interesting/oh_shit_git.md
new file mode 100644
index 0000000..d44b6c1
--- /dev/null
+++ b/interesting/oh_shit_git.md
@@ -0,0 +1,5 @@
+# Oh shit git
+
+https://ohshitgit.com/
+
+A collection of common git mistakes and the steps to solve them.