diff --git a/make_post_sell/lib/currency.py b/make_post_sell/lib/currency.py
new file mode 100644
index 0000000..cf40aeb
--- /dev/null
+++ b/make_post_sell/lib/currency.py
@@ -0,0 +1,5 @@
+def dollars_to_cents(dollars):
+    return int(float(dollars) * 100)
+
+def cents_to_dollars(cents):
+    return int(cents) / 100.0
diff --git a/make_post_sell/models/cart.py b/make_post_sell/models/cart.py
index 4b7b254..27644c7 100644
--- a/make_post_sell/models/cart.py
+++ b/make_post_sell/models/cart.py
@@ -29,11 +29,9 @@ from .shop import get_shops_by_ids
 
 from .cart_coupon import CartCoupon
 
-from miscutils import (
-    timestamp_to_ago_string,
-    dollars_to_cents,
-    cents_to_dollars,
-)
+from miscutils import timestamp_to_ago_string
+
+from ..lib.currency import cents_to_dollars
 
 try:
     unicode("")
diff --git a/make_post_sell/models/coupon.py b/make_post_sell/models/coupon.py
index bf6ea96..ed074d4 100644
--- a/make_post_sell/models/coupon.py
+++ b/make_post_sell/models/coupon.py
@@ -18,9 +18,9 @@ from .meta import (
 
 from .cart_coupon import CartCoupon
 
-from miscutils import (
-    datetime_to_timestamp,
-    timestamp_to_datetime,
+from miscutils import datetime_to_timestamp, timestamp_to_datetime
+
+from ..lib.currency import (
     dollars_to_cents,
     cents_to_dollars,
 )
diff --git a/make_post_sell/models/price.py b/make_post_sell/models/price.py
index 7344660..cecdc8c 100644
--- a/make_post_sell/models/price.py
+++ b/make_post_sell/models/price.py
@@ -6,10 +6,7 @@ from .meta import Base, RBase, UUIDType, foreign_key, now_timestamp
 
 from sqlalchemy.orm import relationship
 
-from miscutils import (
-    dollars_to_cents,
-    cents_to_dollars,
-)
+from ..lib.currency import cents_to_dollars
 
 
 class Price(RBase, Base):
diff --git a/make_post_sell/models/product.py b/make_post_sell/models/product.py
index d9cb255..e1fd5e5 100644
--- a/make_post_sell/models/product.py
+++ b/make_post_sell/models/product.py
@@ -28,7 +28,7 @@ from make_post_sell.lib.render import markdown_to_html
 
 from slugify import slugify
 
-from miscutils import (
+from ..lib.currency import (
     dollars_to_cents,
     cents_to_dollars,
 )
diff --git a/make_post_sell/views/product.py b/make_post_sell/views/product.py
index 77ec74e..7106659 100644
--- a/make_post_sell/views/product.py
+++ b/make_post_sell/views/product.py
@@ -1,5 +1,7 @@
 from pyramid.view import view_config
 
+from pyramid.httpexceptions import HTTPFound
+
 from . import (
     user_required,
     shop_editor_required,
@@ -8,12 +10,7 @@ from . import (
 
 from ..models.product import Product
 
-from pyramid.httpexceptions import HTTPFound
-
-from miscutils import (
-    dollars_to_cents,
-    cents_to_dollars,
-)
+from ..lib.currency import dollars_to_cents
 
 
 def checkbox_to_bool(checkbox):