Let me help out here.....

To number one question

There are two ways to grow your SP...

• CHOOSE THE OPTION OF 100% BEFORE YOU SUBMIT A POST
• YOU CAN INVEST BY BUYING SP WITH BTC

1. STEEMIT IS A PLATFORM THAG WELCOME IDEAS, YOU ARE NOT RESTRICTED TO ANY PARTICULAR SUBJECT, When you truly know others will benefit from you post you can post on anything...... Till now my post are always a post to improve the community, but I still have bundles of cryptocurrency knowledge that's not yet shared.... That's coming soon