Even in the previous season Barcelona prove they have waht it takes to make a difference only that they did not showcase the exceptionality early enough so it's possible this season they will get that fixed and make a difference far much better then they did last season. If you look at their squad they still have good players who are going to help them get the kind of results they desire to get in the new season. Their performance this in the new season will be better than last season, their coach would have examined their performance and seek to improve it because they do need to do better if they want better in the new season. The coach also wants to win more trophies throughout his stay at Barcelona so let's expect better from them in the new season.
Barcelona have a good group of players and also have a good coach, Flick has been able to demonstrate that a good coach makes the difference.
It's a shame about the financial problems, but if they play and win i think they can solve them without too much effort.
Barcelona was in a very bad financial situation at one time, although they have come to a much better position after seeing that bad situation. They have sold several players due to financial deterioration and have bought new players to replace them, but the team's performance was not good for a while, then due to the change of manager, Barcelona's performance is now very good. In addition to winning the La Liga title last season, Barcelona has won all the El Clasico matches, which is undoubtedly a great achievement for Barcelona. In the seasons before the last season, Barcelona could not finish the match with a very good result against Real Madrid, but Barcelona has now become a strong team.