diff --git a/main.py b/main.py
index 5990b98..cb1321c 100644
--- a/main.py
+++ b/main.py
@@ -11,12 +11,13 @@ def main(args):
     a = StoreAnalyzer(verbose=True)
     a.run(args.analyze)
   else:
-    c = Commander(args.data_dir)
+    c = Commander(args.data_dir, auto=args.auto)
     c.run()
   
 if __name__ == '__main__':
   parser = argparse.ArgumentParser()
   parser.add_argument('-d', '--data-dir', default='data')
-  parser.add_argument('-a', '--analyze', type=argparse.FileType('rb'))
+  parser.add_argument('--analyze', type=argparse.FileType('rb'))
+  parser.add_argument('-a', '--auto', action='store_true')
   args = parser.parse_args()
   main(args)
diff --git a/nullptr/commander.py b/nullptr/commander.py
index 88066b2..ba3bfd0 100644
--- a/nullptr/commander.py
+++ b/nullptr/commander.py
@@ -19,7 +19,7 @@ class CommandError(AppError):
   pass
   
 class Commander(CommandLine):
-  def __init__(self, data_dir='data'):
+  def __init__(self, data_dir='data', auto=False):
     store_file = os.path.join(data_dir, 'store.npt')
     hist_file = os.path.join(data_dir, 'cmd.hst')
     self.cred_file = os.path.join(data_dir, 'creds.txt')
@@ -41,6 +41,8 @@ class Commander(CommandLine):
     self.ship = None
     
     self.stop_auto = False
+    if auto:
+      self.do_auto()
     super().__init__()
   
   ######## INFRA #########
@@ -406,6 +408,9 @@ class Commander(CommandLine):
     crew = self.resolve('Crew', arg)
     ship.crew = crew
     pprint(ship)
+  
+  def do_phase(self, phase):
+    self.agent.phase = phase
     
   ######## Crews #########
   def do_create_crews(self):
diff --git a/nullptr/general.py b/nullptr/general.py
index 4ad4f39..940bf56 100644
--- a/nullptr/general.py
+++ b/nullptr/general.py
@@ -24,11 +24,29 @@ class General:
     self.create_default_crews()
   
   def find_shipyard(self, stype):
+    occ = [s.location.symbol for s in self.store.all('Ship') if s.status != 'IN_TRANSIT']
+    best_price = -1
+    best_yard = None
     for shipyard in self.store.all('Shipyard'):
-      if stype in shipyard.types:
-        return stype
-    return None
+      if stype in shipyard.prices:
+        price = shipyard.prices[stype]
+        if shipyard.symbol in occ:
+          if best_yard is None or price < best_price:
+            best_yard = shipyard
+            best_price = price
+    return best_yard, best_price
     
+  def maybe_purchase(self, stype, role):
+    sy, price = self.find_shipyard(stype)
+    if sy is None:
+      return False
+    traders = [s for s in self.store.all('Ship') if s.role == 'trader']
+    safe_buffer = len(traders) * 100000 + 100000
+    
+    if self.agent.credits < safe_buffer + price:
+      return # cant afford it!
+    ship = self.c.api.purchase(stype, sy)
+    ship.role = role
     
   def tick(self):
     phase = self.agent.phase
@@ -50,12 +68,25 @@ class General:
       command.role = 'probe'
     if probe.role is None:
       probe.role = 'sitter'
-    
+    system = command.location.system
+    markets = list(self.store.all_members(system, 'Marketplace'))
+    discovered = len([m for m in markets if m.last_prices > 0])
+    if discovered > len(markets) // 2:
+      return 'probes'
     
   def phase_probes(self):
+    ag = self.agent.symbol
+    command = self.store.get('Ship', f'{ag}-1')
     # * probes on all markets
-    pass
-  
+    if command.role != 'trader':
+      command.role = 'trader'
+      self.c.captain.init_mission(command, 'none')
+    self.maybe_purchase('SHIP_PROBE', 'sitter')
+    sitters = [s for s in self.store.all('Ship') if s.role == 'sitter']
+    markets = [m for m in self.store.all('Marketplace')]
+    if len(sitters) >= len(markets):
+      return 'trade'
+    
   def phase_trade(self):
     # 20? traders
     pass
diff --git a/nullptr/models/agent.py b/nullptr/models/agent.py
index af2d1f8..b43291d 100644
--- a/nullptr/models/agent.py
+++ b/nullptr/models/agent.py
@@ -20,5 +20,6 @@ class Agent(Base):
   def f(self, detail=1):
     r = super().f(detail)
     if detail >2:
-      r += f' c:{self.credits}'
+      r += f' c:{self.credits}\n'
+      r+= f'phase: {self.phase}'
     return r
diff --git a/nullptr/roles/probe.py b/nullptr/roles/probe.py
index 31daa78..4027450 100644
--- a/nullptr/roles/probe.py
+++ b/nullptr/roles/probe.py
@@ -6,7 +6,7 @@ def assign_probe(c, s):
   m = [m.waypoint for m in c.store.all_members(system, 'Marketplace')]
   m = solve_tsp(c, m)
   hops = [w.symbol for w in m]
-  start_hop = randrange(0, len(hops))
+  start_hop = 0
   s.log(f'Assigning {s} to probe {len(hops)} starting at {hops[start_hop]}')
   
   c.captain.init_mission(s, 'probe')
diff --git a/nullptr/roles/sitter.py b/nullptr/roles/sitter.py
index aa37b4b..3468ea6 100644
--- a/nullptr/roles/sitter.py
+++ b/nullptr/roles/sitter.py
@@ -13,8 +13,6 @@ def assign_sitter(c, s):
   shipyards = c.store.all_members(system, 'Shipyard')
   occupied = [s.mission_state['dest'] for s in ships if s.mission=='sit']
   probe_shipyard = [y for y in shipyards if 'SHIP_PROBE' in y.types][0]
-  print('oc', occupied)
-  print('proya', probe_shipyard)
   
   if probe_shipyard.symbol not in occupied:
     return assign_sitter_at(c, s, probe_shipyard)