diff --git a/container/src/hledger-flow/accounts/coinbase/coinbase-shared.bash b/container/src/hledger-flow/accounts/coinbase/coinbase-shared.bash
index 38cf308..4c6c2d6 100755
--- a/container/src/hledger-flow/accounts/coinbase/coinbase-shared.bash
+++ b/container/src/hledger-flow/accounts/coinbase/coinbase-shared.bash
@@ -144,12 +144,26 @@ function __parse()
        #
        # Add new columns to calculate fees against native currency price
        #
-       #  - 0 is used because Coinbase does not accurately display fiat amount,
-       #    if satoshi is small (valued less than $0.00)
+       # WARNING:
+       #
+       #  - `amount_amount` and/or `native_amount_amount` may be given as 0
+       #    because Coinbase does not display the full value of either column
+       #    for token values (satoshi, gwei, etc.) valued less than a $0.00.
+       #
+       #    Quite literally, the only value information that Coinbase will
+       #    provide for these transactions is 0 or equivalent; so, an accurate
+       #    calculation cannot be made nor inferred because the only other
+       #    usable information is the fee. But, since it is unknown what
+       #    percentage the fee-tier is for these transactions, no further
+       #    calculations can be made.
+       #
+       #    With that said, any 0-value transactions should skip the following
+       #    calculations as to avoid a divide by zero error and, instead, be
+       #    managed within the rules file.
        #
 
-       if ($7 > 0) {printf("%.8f", $7 / $5)}; printf OFS           # native_amount_price
-       if ($7 > 0) {printf("%.8f", ($7 / $5) * $16)}; printf OFS   # native_network_transaction_fee_amount
+       if ($7 > 0 && $5 > 0) {printf("%.8f", $7 / $5)}; printf OFS           # native_amount_price
+       if ($7 > 0 && $5 > 0) {printf("%.8f", ($7 / $5) * $16)}; printf OFS   # native_network_transaction_fee_amount
 
        #
        # Add new column to calculate the difference between amount and network fee,
diff --git a/container/src/hledger-flow/accounts/coinbase/coinbase-shared.rules b/container/src/hledger-flow/accounts/coinbase/coinbase-shared.rules
index eea2fb1..1eb8664 100644
--- a/container/src/hledger-flow/accounts/coinbase/coinbase-shared.rules
+++ b/container/src/hledger-flow/accounts/coinbase/coinbase-shared.rules
@@ -656,7 +656,6 @@ if %type ^advanced_trade_fill$
 
 if %type ^advanced_trade_fill$
 & %advanced_trade_fill_order_side (^buy$|^sell$)
-& %advanced_trade_fill_real_value_amount [1-9]
   account1 assets:coinbase:%subaccount:%advanced_trade_fill_pair_lhs
   account2 assets:coinbase:%subaccount:%advanced_trade_fill_pair_rhs
   amount3 -%advanced_trade_fill_commission %advanced_trade_fill_pair_rhs
@@ -664,6 +663,13 @@ if %type ^advanced_trade_fill$
   amount4 %advanced_trade_fill_commission %advanced_trade_fill_pair_rhs
   account4 expenses:coinbase:%subaccount:fees:trading:%advanced_trade_fill_pair_rhs
 
+# NOTE: see WARNING in preprocess about $0.00 Advanced Trade txs
+if %type ^advanced_trade_fill$
+& %advanced_trade_fill_order_side (^buy$|^sell$)
+& %advanced_trade_fill_real_value_amount ^[^1-9]*$
+  account1
+  account2
+
 #
 # BUY
 #