<p>Welcome to the site! Expertise is always welcome here, and it's to be expected that many people with such expertise will also use it to develop commercial products.</p>
<p>However, it does violate a community norm to link and discuss your product unless there's a good reason to; it tends to come across as spammy. I see that you mentioned it in about half of your answers, and that you edited them to remove the link after you got complaints. Notably, 1) removing the link did not detract from the quality or message of the answers, and 2) no other edits were required to make the answer complete by your own estimation. This suggests that the links do not belong there.</p>
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<p>From the help:</p>
<blockquote>
<p><strong>Avoid overt self-promotion.</strong></p>
<p>The community tends to vote down overt self-promotion and flag it as
spam. Post good, relevant answers, and if some (but not all) happen to
be about your product or website, that’s okay. However, you must
disclose your affiliation in your answers.</p>
<p>If a large percentage of your posts include a mention of your product
or website, you're probably here for the wrong reasons. Our
advertising rates are quite reasonable; contact our ad sales team for
details. We also offer free community promotion ads for open source
projects and non-profit organizations.</p>
</blockquote>
<p>And:</p>
<blockquote>
<p><strong>How to not be a spammer</strong><br />
...</p>
<p>Here are some specific behaviors to avoid - even with the best of
intentions, these will nearly always result in your posts being
flagged as spam:</p>
<p>Don't talk about your product / website / book / job too much. Folks
will read your answers for their ability to solve a specific problem;
if you're good at doing that, then they'll find themselves more
interested in who you are and what you're working on. If you respond
only to questions where the answer can be something you're selling,
they'll assume you're just here to sell.</p>
</blockquote>
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