What the console showed after 18 days
All three satellites were indexed; indexing was not the problem. Impressions were almost absent: the down-payment page got four clicks on 32 impressions at 12.5% click-through, meaning the content works but is rarely shown. Reasons: the satellites were orphans without a single internal link, the hub takes all instalment semantics, and the word «calculator» had not a single query in three months.
Honest conclusions, not in our favour: the calculator should be a block of the hub, not a separate URL. Real demand is phrased as «developer instalments with a 5,000 euro down payment», 384 impressions at position 5.5, and the down-payment page should be tuned to that, not to «apartment down payment» with five impressions.