diff --git a/lib/TgMagicPdf/PdfBuilder.pm b/lib/TgMagicPdf/PdfBuilder.pm
index b135f5e..9e2bd5c 100644
--- a/lib/TgMagicPdf/PdfBuilder.pm
+++ b/lib/TgMagicPdf/PdfBuilder.pm
@@ -16,6 +16,7 @@ use Mojo::UserAgent;
 
 use PDF::API2;
 use Path::Tiny;
+use Encode qw/decode encode/;
 
 has _db_all_printings => ( is => 'lazy', );
 has last_invalid_card => (
@@ -87,11 +88,17 @@ sub from_text ( $self, $text ) {
     return $promise;
 }
 
+sub _create_new_page($self, $pdf) {
+    my $page = $pdf->page;
+    $page->size('A4');
+    return $page;
+}
+
 sub _generate_pdf ( $self, $cards, $images ) {
     my $number_image = 0;
     my $pdf          = PDF::API2->new;
-    my $page         = $pdf->page;
-    $page->size('A4');
+    my $page         = $self->_create_new_page($pdf);
+    my @pages = $page;
     my @rectangle       = $page->size;
     my $width_paper     = $rectangle[2];
     my $height_paper     = $rectangle[3];
@@ -103,8 +110,8 @@ sub _generate_pdf ( $self, $cards, $images ) {
             for ( my $i = 0 ; $i < $card->{quantity} ; $i++ ) {
                 if ( $number_image > 8 ) {
                     $number_image = 0;
-                    $page         = $pdf->page;
-                    $page->size('A4');
+                    $page         = $self->_create_new_page($pdf);
+                    push @pages, $page;
                 }
                 my $margin_bottom                 = 25;
                 my $mtg_card_width                = 6.35;
@@ -133,6 +140,31 @@ sub _generate_pdf ( $self, $cards, $images ) {
             }
         }
     }
+    for my $page (@pages) {
+        my $font = $pdf->font('Courier');
+        my $content = $page->text;
+        $content->position(0, $height_paper - 5);
+        $content->font($font, 5);
+        $content->text(decode 'utf-8', "The price of a colour printed page in Spain is around 0.50€, "
+        . "your pdf has @{[scalar @pages]} pages, that would be "
+        . (sprintf "%.2f", scalar(@pages) * 0.50)."€, if you could donate a 20% "
+        . "of this amount to this bot more features could be");
+
+        $content = $page->text;
+
+        $content->position(0, $height_paper - 10);
+        $content->font($font, 5);
+        $content->text(decode 'utf-8', "developed and the developer would be "
+        . "very grateful. I encourage you to donate "
+        . (sprintf "%.2f", scalar(@pages) * 0.50 * 0.20)."€ and help this bot to offer the best "
+        . "it possibly can offer. This is the donations Paypal");
+
+        $content = $page->text;
+
+        $content->position(0, $height_paper - 15);
+        $content->font($font, 5);
+        $content->text("https://paypal.me/sergiotarxz. Thank you very much for your support!!");
+    }
     return $pdf->to_string;
 }