diff --git a/CodexNetDeployer/CodexNodeStarter.cs b/CodexNetDeployer/CodexNodeStarter.cs
index 898afb6..f6faafa 100644
--- a/CodexNetDeployer/CodexNodeStarter.cs
+++ b/CodexNetDeployer/CodexNodeStarter.cs
@@ -52,7 +52,7 @@ namespace CodexNetDeployer
                     Console.Write("Tokens minted\t");
 
                     var response = marketAccess.MakeStorageAvailable(
-                        totalSpace: (config.StorageQuota!.Value - 1).MB(),
+                        totalSpace: config.StorageSell!.Value.MB(),
                         minPriceForTotalSpace: config.MinPrice.TestTokens(),
                         maxCollateral: config.MaxCollateral.TestTokens(),
                         maxDuration: TimeSpan.FromSeconds(config.MaxDuration));
diff --git a/CodexNetDeployer/Configuration.cs b/CodexNetDeployer/Configuration.cs
index d58e233..3d79b0e 100644
--- a/CodexNetDeployer/Configuration.cs
+++ b/CodexNetDeployer/Configuration.cs
@@ -28,9 +28,12 @@ namespace CodexNetDeployer
         [Uniform("validators", "v", "VALIDATORS", true, "Number of Codex nodes that will be validating.")]
         public int? NumberOfValidators { get; set; }
 
-        [Uniform("storage-quota", "s", "STORAGEQUOTA", true, "Storage quota in megabytes used by each Codex node.")]
+        [Uniform("storage-quota", "sq", "STORAGEQUOTA", true, "Storage quota in megabytes used by each Codex node.")]
         public int? StorageQuota { get; set; }
 
+        [Uniform("storage-sell", "ss", "STORAGESELL", true, "Number of megabytes of storage quota to make available for selling.")]
+        public int? StorageSell { get; set; }
+
         [Uniform("log-level", "l", "LOGLEVEL", true, "Log level used by each Codex node. [Trace, Debug*, Info, Warn, Error]")]
         public CodexLogLevel CodexLogLevel { get; set; } = CodexLogLevel.Debug;
 
@@ -60,6 +63,10 @@ namespace CodexNetDeployer
             {
                 errors.Add($"{nameof(NumberOfValidators)} ({NumberOfValidators}) may not be greater than {nameof(NumberOfCodexNodes)} ({NumberOfCodexNodes}).");
             }
+            if (StorageSell.HasValue && StorageQuota.HasValue && StorageSell.Value >= StorageQuota.Value)
+            {
+                errors.Add("StorageSell cannot be greater than or equal to StorageQuota.");
+            }
 
             return errors;
         }