Add punctuation: But I plan to still live frugally and to save and invest as much as possible In truth I havent done much investing yet besides my 401k thats my next financial project once my emergency fund is where I want it to be
A: But I plan to still live frugally and to save and invest as much as possible. In truth, I haven't done much investing yet (besides my 401k) that's my next financial project, once my emergency fund is where I want it to be.

Add punctuation: Here is a short selection of three samples from the numerous aptitudes described in the complete report
A: Here is a short selection of three samples from the numerous aptitudes described in the complete report.

Add punctuation: After an impressive prize winning record Todd hoped for a Research Fellowship at Trinity but he failed in three attempts on one occasion losing out to Coxeter who won the Fellowship
A:
After an impressive prize winning record Todd hoped for a Research Fellowship at Trinity but he failed in three attempts, on one occasion losing out to Coxeter who won the Fellowship.