diff --git a/src/Constants.js b/src/Constants.js
index 20e15606c..fd4c0c6ad 100644
--- a/src/Constants.js
+++ b/src/Constants.js
@@ -45,7 +45,7 @@ CONSTANTS = {
     ScriptRelaysmtpRamCost:         0.05,
     ScriptHttpwormRamCost:          0.05,
     ScriptSqlinjectRamCost:         0.05,
-    ScriptRunRamCost:               0.5,
+    ScriptRunRamCost:               0.75,
     ScriptGetHackingLevelRamCost:   0.1,
     ScriptGetServerMoneyRamCost:    0.1,
     
diff --git a/src/NetscriptEvaluator.js b/src/NetscriptEvaluator.js
index 0edc62139..12c11e081 100644
--- a/src/NetscriptEvaluator.js
+++ b/src/NetscriptEvaluator.js
@@ -225,6 +225,7 @@ function evaluate(exp, workerScript) {
 					if (exp.func.value == "hack") {
 						if (exp.args.length != 1) {
 							reject("|" + workerScript.serverIp + "|" + workerScript.name + "|Hack() call has incorrect number of arguments. Takes 1 argument");
+                            return;
 						}
 						var ipPromise = evaluate(exp.args[0], workerScript);
 
@@ -306,6 +307,7 @@ function evaluate(exp, workerScript) {
 					} else if (exp.func.value == "sleep") {
 						if (exp.args.length != 1) {
 							reject("|" + workerScript.serverIp + "|" + workerScript.name + "|sleep() call has incorrect number of arguments. Takes 1 argument.");
+                            return;
 						}
 						var sleepTimePromise = evaluate(exp.args[0], workerScript);
 						sleepTimePromise.then(function(sleepTime) {
@@ -327,6 +329,7 @@ function evaluate(exp, workerScript) {
 					} else if (exp.func.value == "print") {
 						if (exp.args.length != 1) {
 							reject("|" + workerScript.serverIp + "|" + workerScript.name + "|print() call has incorrect number of arguments. Takes 1 argument");
+                            return;
 						}
 						
 						var p = new Promise(function(resolve, reject) {
@@ -349,6 +352,7 @@ function evaluate(exp, workerScript) {
 					} else if (exp.func.value == "grow") {
                         if (exp.args.length != 1) {
                             reject("|" + workerScript.serverIp + "|" + workerScript.name + "|grow() call has incorrect number of arguments. Takes 1 argument");
+                            return;
                         }
 						var ipPromise = evaluate(exp.args[0], workerScript);
 						ipPromise.then(function(ip) {
@@ -390,6 +394,7 @@ function evaluate(exp, workerScript) {
                     } else if (exp.func.value == "nuke") {
                         if (exp.args.length != 1) {
                             reject("|" + workerScript.serverIp + "|" + workerScript.name + "|nuke() call has incorrect number of arguments. Takes 1 argument");
+                            return;
                         }
 						var ipPromise = evaluate(exp.args[0], workerScript);
 						ipPromise.then(function(ip) {
@@ -436,6 +441,7 @@ function evaluate(exp, workerScript) {
                     } else if (exp.func.value == "brutessh") {
                         if (exp.args.length != 1) {
                             reject("|" + workerScript.serverIp + "|" + workerScript.name + "|brutessh() call has incorrect number of arguments. Takes 1 argument");
+                            return;
                         }
 						var ipPromise = evaluate(exp.args[0], workerScript);
 						ipPromise.then(function(ip) {
@@ -478,6 +484,7 @@ function evaluate(exp, workerScript) {
                     } else if (exp.func.value == "ftpcrack") {
                         if (exp.args.length != 1) {
                             reject("|" + workerScript.serverIp + "|" + workerScript.name + "|ftpcrack() call has incorrect number of arguments. Takes 1 argument");
+                            return;
                         }
 						var ipPromise = evaluate(exp.args[0], workerScript);
 						ipPromise.then(function(ip) {
@@ -520,6 +527,7 @@ function evaluate(exp, workerScript) {
                     } else if (exp.func.value == "relaysmtp") {
                         if (exp.args.length != 1) {
                             reject("|" + workerScript.serverIp + "|" + workerScript.name + "|relaysmtp() call has incorrect number of arguments. Takes 1 argument");
+                            return;
                         }
 						var ipPromise = evaluate(exp.args[0], workerScript);
 						ipPromise.then(function(ip) {
@@ -562,6 +570,7 @@ function evaluate(exp, workerScript) {
                     } else if (exp.func.value == "httpworm") {
                         if (exp.args.length != 1) {
                             reject("|" + workerScript.serverIp + "|" + workerScript.name + "|httpworm() call has incorrect number of arguments. Takes 1 argument");
+                            return;
                         }
 						var ipPromise = evaluate(exp.args[0], workerScript);
 						ipPromise.then(function(ip) {
@@ -604,6 +613,7 @@ function evaluate(exp, workerScript) {
                     } else if (exp.func.value == "sqlinject") {
                         if (exp.args.length != 1) {
                             reject("|" + workerScript.serverIp + "|" + workerScript.name + "|sqlinject() call has incorrect number of arguments. Takes 1 argument");
+                            return;
                         }
 						var ipPromise = evaluate(exp.args[0], workerScript);
 						ipPromise.then(function(ip) {
@@ -646,6 +656,7 @@ function evaluate(exp, workerScript) {
                     } else if (exp.func.value == "run") {
                         if (exp.args.length != 1) {
                             reject("|"+workerScript.serverIp+"|"+workerScript.name+"|run() call has incorrect number of arguments. Takes 1 argument");
+                            return;
                         }
                         var scriptNamePromise = evaluate(exp.args[0], workerScript);
                         scriptNamePromise.then(function(scriptname) {
@@ -653,6 +664,7 @@ function evaluate(exp, workerScript) {
                             var scriptServer = AllServers[serverIp];
                             if (scriptServer == null) {
                                 reject("|"+workerScript.serverIp+"|"+workerScript.name+"|Could not find server. This is a bug in the game. Report to game dev");
+                                return;
                             }
                             
                             var runScriptPromise = runScriptFromScript(scriptServer, scriptname, workerScript);
@@ -668,6 +680,7 @@ function evaluate(exp, workerScript) {
                     } else if (exp.func.value == "getHackingLevel") {
                         if (exp.args.length != 0) {
                             reject("|"+workerScript.serverIp+"|"+workerScript.name+"|getHackingLevel() call has incorrect number of arguments. Takes 0 arguments");
+                            return;
                         }
                         setTimeout(function() {
                             Player.updateSkillLevels();
diff --git a/src/Script.js b/src/Script.js
index e86913312..4dc814dd1 100644
--- a/src/Script.js
+++ b/src/Script.js
@@ -164,6 +164,7 @@ Script.prototype.updateRamUsage = function() {
     var runCount = numOccurrences(codeCopy, "run(");
     var getHackingLevelCount = numOccurrences(codeCopy, "getHackingLevel(");
     var getServerMoneyAvailableCount = numOccurrences(codeCopy, "getServerMoneyAvailable(");
+    var numOperators = numNetscriptOperators(codeCopy);
     
     this.ramUsage =  baseRam + 
                     ((whileCount * CONSTANTS.ScriptWhileRamCost) + 
diff --git a/src/engine.js b/src/engine.js
index 5d7a4b400..087bc88d3 100644
--- a/src/engine.js
+++ b/src/engine.js
@@ -993,7 +993,7 @@ var Engine = {
                 if (Player.workType == CONSTANTS.WorkTypeFaction) {
                     var fac = Factions[Player.currentWorkFactionName];
                     Player.finishFactionWork(true, fac);
-                } else if (Player.WorkType == CONSTANTS.WorkTypeCreateProgram) {
+                } else if (Player.workType == CONSTANTS.WorkTypeCreateProgram) {
                     Player.finishCreateProgramWork(true, Player.createProgramName);
                 } else if (Player.workType == CONSTANTS.WorkTypeStudyClass) {
                     Player.finishClass();