Seller financed (probably) won't be reported to the credit bureaus and so won't impact your credit score at all.

Credit?

Of course, we have been on a bull run for a while here.

Of course, that could be offset as he works to reduce inflation.

Hope is a bad strategy.The only on market strategy that I think can work is paying cash/line of credit/hard money for a property that does not qualify for conventional financing.

i would speak to your cpa, as you may be able to get all or most of the gains tax free if they lives in it two of the last 5 years. vs what you can get if you rent it outof course consult with your cpa for tax advise

Two, you'll have a much easier time obtaining a mortgage product if you have a track record of W2 income.In the meantime, continue implementing the strategies you mentioned: save religiously, build your credit, pay any existing debt owed, etc.

I am currently a student with some cash availbe and good credit score but no w2.

There are of course exceptions, but that is probably standard deal right now in DFW area. 

If it was a single bank with a line of credit that would need to be made public.Now, what I have seen (not saying this is being done here), but with other funds is a fund create a feeder fund /LLC that would issue promissory notes to invest in the fund.