diff --git a/cmd/pttodo-cli/cli.go b/cmd/pttodo-cli/cli.go
index 557e886..df198f4 100644
--- a/cmd/pttodo-cli/cli.go
+++ b/cmd/pttodo-cli/cli.go
@@ -38,7 +38,7 @@ func _main() error {
 	filepath := flag.String("f", defaultFilepath, "($PTTODO_FILE) path to yaml file")
 	filepathToMergeIn := flag.String("g", "", "path to yaml file to merge into -f")
 	root := flag.String("root", DUMP_TODO, "path to pretty print ("+fmt.Sprint([]string{DUMP_ALL, DUMP_TODO, DUMP_SCHEDULED, DUMP_DONE})+")")
-	tags := flag.String("tags", "", "csv of all tags to find")
+	tags := flag.String("tags", "", "csv of all tags to find, -tag to invert")
 	search := flag.String("search", "", "fts case insensitive")
 	e := flag.Bool("e", false, "edit file")
 	dry := flag.Bool("dry", false, "dry run")
@@ -257,7 +257,10 @@ func dump(dry bool, writer io.Writer, filepath string, tags []string, search, ro
 			for _, todo := range todos {
 				want := len(todo.Tags) > 0
 				for _, tag := range tags {
-					want = want && strings.Contains(todo.Tags, tag)
+					positiveTag := strings.TrimLeft(tag, "-")
+					hasTag := strings.Contains(todo.Tags, positiveTag)
+					wantToHaveTag := !strings.HasPrefix(tag, "-")
+					want = want && (hasTag == wantToHaveTag)
 				}
 				if want {
 					result = append(result, todo)
diff --git a/todo.yaml b/todo.yaml
index 99c602a..70d3d61 100644
--- a/todo.yaml
+++ b/todo.yaml
@@ -1,4 +1,6 @@
 todo:
+- when merging, check for complete/incomplete and cross reference todo vs scheduled
+  vs done
 - how to defer a scheduled task?
 - merge multi todo files for 'inbox' style with some dedupe (probably best to just
   do this via calling pttodo-cli from script or somethin) (probably at an off hour
@@ -7,7 +9,6 @@ todo:
 - what do about todo-now vs todo vs watch vs later... could do many files and manage
   outside binary, but search would suck. Good would be vendor lockin, and that's UI
   problem
-- add tag anti-search, like -tag=-notMe
 - todo: when to run scheduled modifier? like, syncthing could have conflicts if I
     modify only file on remote
   details: |
@@ -26,6 +27,8 @@ todo:
 - xactions emails extend ledger,todo-server with pttodo - schedule merge inbox style
 scheduled: []
 done:
+- todo: add tag anti-search, like -tag=-notMe
+  ts: Tue Jan  4 06:56:03 EST 2022
 - todo: if in todo, then omit ts field
   ts: Sun Jan  2 20:44:27 EST 2022
 - todo: merge full files to import from todo-server