diff --git a/src/main/java/com/vendingmachine/constants/Coins.java b/src/main/java/com/vendingmachine/constants/Coins.java
index 093b05d7..26a84302 100644
--- a/src/main/java/com/vendingmachine/constants/Coins.java
+++ b/src/main/java/com/vendingmachine/constants/Coins.java
@@ -3,7 +3,7 @@
 import java.math.BigDecimal;
 
 public final class Coins {
-    public static final BigDecimal NULL = BigDecimal.ZERO;
+    public static final BigDecimal NONE = BigDecimal.ZERO;
     public static final BigDecimal PENNY = new BigDecimal(0.01);
     public static final BigDecimal NICKEL = new BigDecimal(0.05);
     public static final BigDecimal DIME = new BigDecimal(0.10);
diff --git a/src/main/java/com/vendingmachine/converter/CoinConverter.java b/src/main/java/com/vendingmachine/converter/CoinConverter.java
index 540b6c1d..69192881 100644
--- a/src/main/java/com/vendingmachine/converter/CoinConverter.java
+++ b/src/main/java/com/vendingmachine/converter/CoinConverter.java
@@ -18,7 +18,7 @@ public BigDecimal toCoin(String entry) {
         } else if (isHalfDollar(entryWithoutSpaces)) {
             return HALF_DOLLAR;
         } else {
-            return NULL;
+            return NONE;
         }
     }
 
@@ -31,7 +31,7 @@ private boolean isNickel(String entry) {
     }
 
     private boolean isDime(String entry) {
-        return "dime".equalsIgnoreCase(entry) || ".10".equals(entry) || "0.10".equals(entry);
+        return "dime".equalsIgnoreCase(entry) || ".10".equals(entry) || "0.10".equals(entry) || ".1".equals(entry) || "0.1".equals(entry);
     }
 
     private boolean isQuarter(String entry) {
@@ -39,7 +39,7 @@ private boolean isQuarter(String entry) {
     }
 
     private boolean isHalfDollar(String entry) {
-        return "halfdollar".equalsIgnoreCase(entry) || ".50".equals(entry) || "0.50".equals(entry);
+        return "halfdollar".equalsIgnoreCase(entry) || ".50".equals(entry) || "0.50".equals(entry) || ".5".equals(entry) || "0.5".equals(entry);
     }
 
     private String removeSpaces(String entry) {
diff --git a/src/main/java/com/vendingmachine/service/CoinService.java b/src/main/java/com/vendingmachine/service/CoinService.java
index e0def900..a4783ae5 100644
--- a/src/main/java/com/vendingmachine/service/CoinService.java
+++ b/src/main/java/com/vendingmachine/service/CoinService.java
@@ -29,7 +29,7 @@ private String determineConsoleOutput(Coin coin) {
     }
 
     private void askForNextCoin() {
-        System.out.print("Insert coin: ");
+        System.out.print("Insert coin or select a product: ");
     }
 
     private String formatCurrency(BigDecimal runningTotal) {
diff --git a/src/test/java/com/vendingmachine/converter/CoinConverterTest.java b/src/test/java/com/vendingmachine/converter/CoinConverterTest.java
index f5b00849..154df906 100644
--- a/src/test/java/com/vendingmachine/converter/CoinConverterTest.java
+++ b/src/test/java/com/vendingmachine/converter/CoinConverterTest.java
@@ -26,15 +26,19 @@ public static Object[][] toCoinDataProvier() {
                 { ".01", PENNY },
                 { ".05", NICKEL },
                 { ".10", DIME },
+                { ".1", DIME },
                 { ".25", QUARTER },
                 { ".50", HALF_DOLLAR },
+                { ".5", HALF_DOLLAR },
                 { "0.01", PENNY },
                 { "0.05", NICKEL },
                 { "0.10", DIME },
+                { "0.1", DIME },
                 { "0.25", QUARTER },
                 { "0.50", HALF_DOLLAR },
-                { "", NULL },
-                { "asdf", NULL }
+                { "0.5", HALF_DOLLAR },
+                { "", NONE},
+                { "asdf", NONE}
         };
     }
 
diff --git a/src/test/java/com/vendingmachine/service/CoinServiceTest.java b/src/test/java/com/vendingmachine/service/CoinServiceTest.java
index f39463ec..33d1ce8e 100644
--- a/src/test/java/com/vendingmachine/service/CoinServiceTest.java
+++ b/src/test/java/com/vendingmachine/service/CoinServiceTest.java
@@ -24,13 +24,20 @@ public void cleanUpStreams() {
         System.setOut(null);
     }
 
+    @Test
+    public void shouldPrintInsertCoinIfNoCoinIsInserted() {
+        new CoinService();
+
+        assertEquals("Insert coin or select a product: ", byteArrayOutputStream.toString());
+    }
+
     @Test
     public void shouldPrintCurrentAmountFiveToConsole() {
         Coin nickel = new Coin().setValue(NICKEL);
 
         new CoinService().insertCoin(nickel);
 
-        assertEquals("Insert coin: Current amount: $0.05\nInsert coin: ", byteArrayOutputStream.toString());
+        assertEquals("Insert coin or select a product: Current amount: $0.05\nInsert coin or select a product: ", byteArrayOutputStream.toString());
     }
 
     @Test
@@ -43,7 +50,7 @@ public void shouldPrintCurrentAmountFiveCurrentAmountTenCurrentAmountThirtyFive(
         coinService.insertCoin(nickel);
         coinService.insertCoin(quarter);
 
-        assertEquals("Insert coin: Current amount: $0.05\nInsert coin: Current amount: $0.10\nInsert coin: Current amount: $0.35\nInsert coin: ", byteArrayOutputStream.toString());
+        assertEquals("Insert coin or select a product: Current amount: $0.05\nInsert coin or select a product: Current amount: $0.10\nInsert coin or select a product: Current amount: $0.35\nInsert coin or select a product: ", byteArrayOutputStream.toString());
     }
 
     @Test
@@ -55,7 +62,7 @@ public void shouldPrintCurrentAmountFiveCoinReturnOne() {
         coinService.insertCoin(nickel);
         coinService.insertCoin(penny);
 
-        assertEquals("Insert coin: Current amount: $0.05\nInsert coin: Coin return: $0.01\nInsert coin: ", byteArrayOutputStream.toString());
+        assertEquals("Insert coin or select a product: Current amount: $0.05\nInsert coin or select a product: Coin return: $0.01\nInsert coin or select a product: ", byteArrayOutputStream.toString());
     }
 
     @Test
@@ -64,7 +71,7 @@ public void shouldPrintCurrentAmountTwentyFive() {
 
         new CoinService().insertCoin(quarter);
 
-        assertEquals("Insert coin: Current amount: $0.25\nInsert coin: ", byteArrayOutputStream.toString());
+        assertEquals("Insert coin or select a product: Current amount: $0.25\nInsert coin or select a product: ", byteArrayOutputStream.toString());
     }
 
     @Test
@@ -73,7 +80,7 @@ public void shouldPrintCoinReturnOne() {
 
         new CoinService().insertCoin(penny);
 
-        assertEquals("Insert coin: Coin return: $0.01\nInsert coin: ", byteArrayOutputStream.toString());
+        assertEquals("Insert coin or select a product: Coin return: $0.01\nInsert coin or select a product: ", byteArrayOutputStream.toString());
     }
 
     @Test
@@ -82,13 +89,6 @@ public void shouldPrintCoinReturnFifty() {
 
         new CoinService().insertCoin(halfDollar);
 
-        assertEquals("Insert coin: Coin return: $0.50\nInsert coin: ", byteArrayOutputStream.toString());
-    }
-
-    @Test
-    public void shouldPrintInsertCoinIfNoCoinIsInserted() {
-        new CoinService();
-
-        assertEquals("Insert coin: ", byteArrayOutputStream.toString());
+        assertEquals("Insert coin or select a product: Coin return: $0.50\nInsert coin or select a product: ", byteArrayOutputStream.toString());
     }
 }