There are many social media campaign around. If you like, you can join them and earn money from tweet and retweet. Try to apply in one campaign to test and if you have experience already, you can apply upto 10 campaign at a time 
Ensure that you are aware about the rules and regulations of the campaign you joined. It should not happen that with same id you join multiple campaign and you are out from the campaign as they may have rule that only at a time you can support 1 campaign.
Yes at present making money from twitter is very much possible and with the price rising you can earn something for yourself.